Archive of Our Own ^beta

Chapter Text

Choso is not losing his mind. He's very sane, actually. He's not an idiot, either, despite what Yuki and Yuuji tell him. 

His plan was perfectly logical. 

Dynamics weren't something curses had. Not typically. But Choso's human body meant that he had adopted the alphan designation it came with, even if it wasn't a natural part of his soul.

The learning curve had been steep, but eventually he had a grasp on the concept, in both a societal and biological understanding. He had learned the expected behaviors, the interrelationship dynamics, the changes people went through with their bodies.

He learned about ruts. 

Yuuji explained some things to him, but admitted it would probably be best to discuss it with another alpha, who he could ask more detailed questions. 

The obvious choice is Tsukumo, who tells him everything he wants to know (and things he could have gone without knowing).

In the time he's had this body, he hasn't had a rut or even a pre-rut. He wonders if he might be unable to have one.

“Some people are just late bloomers,” she assures him. Then she tilts her head, thinking. “You're a special case, though. This isn't your original body, so maybe… I suppose it's possible you might just not have one. But here are some things to look out for in case you do!”

He always left their conversations with his head spinning.

These dynamic things are so complicated…

He now knew that Betas didn't have a triannual cycle, and that Omegas went through what's called a ‘heat’.

Yuuji had explained it to him as neutrally and nonchalantly as he could, but Choso still caught the rush of blood in his body, the subtle pinkening of his ears. He was embarrassed.

Clearly it was a pretty personal thing to discuss, so he aimed any questions or confusions towards others. Unfortunately, many of the other sorcerers were Alphas and Betas, and fewer of them were tolerable enough for such a delicate conversation. 

More often than not, he turned to Yuki.

“Oh boy,” she sighed when he brought her a short list of questions scribbled on a paper. “Already asking about heats? You're growing up fast, aren't you?”

The brunette rolled his eyes at her teasing. “What is that even supposed to mean?”

“You'll find out when you're older.”

“I'm 150 years old?”

“What's your first question, then, grandpa?”

They get through his list quickly, though she can't answer some of the more nuanced ones too well.

“It seems like… a fairly vulnerable time for an omega.” Choso notes. “It makes sense that they usually spend it with pack if they're unmated.”

Yuki nods and hums, taking a sip of her drink. They're sitting outside on a blanket in a sunny patch, munching on some snacks as they enjoy a break. They can see a few other sorcerers training from their spot. It looks like Kamo and Todo, sparks of cursed energy flashing. 

“What about alphas? Do they spend their ruts with pack?”

Yuki pauses and blinks at him, hand halfway to her open mouth. 

“Uhh… no?”

Choso blinks back.

“Really? Why not? It's probably a vulnerable experience for them as well, no?”

It makes sense to him; losing a sense of self, unable to think clearly, driven by instinct- that all seems like a recipe for disaster if no one is around to keep you company, keep you calm, make sure you're bathed and well-fed. 

He thinks about Yuuji. His brother was thoughtful, caring; he knows he'd be in the best of hands with him during a rut. A goofy smile spreads across his face while he thinks about it.

Yuki clears her throat.

“Well, maybe the first rut or two, because you're typically young enough to live with family when you present. But after that, it's pretty uncommon. Usually alphas are more likely to be a threat to others than to be threatened during their ruts. All that testosterone-” she waves a hand lazily in the air, “it gets them all aggressive, moody, you know? Some of us are worse than others though.” She shrugs.

His brows furrows. “I thought you said omegas can get like that during heats, too?”

She titters and brushes crumbs off her lap. “Yeah, sure, they might get mood swings, or get a little feisty, but they're not as threatening as an alpha, especially with those tiny fangs.”

She sees the look on his face and rolls her eyes. “Okay, fine, there's some omega's that can get pretty nasty, but I'm just saying, those aren't super common. Alphas are a lot more likely to… ya know, lose control. Hurt someone, or force themselves on someone.”

Choso’s breath catches in his throat. He turns to her with wide eyes. 

“Is it really that…” he hesitates, unsure how to word his question. “You think the rut is that intense? To make you want to hurt someone, even someone you know?”

Yuki freezes and looks at him, an expression of understanding falling over her face. 

“Choso,” she starts, her voice firm, “you're not going to hurt anyone if you go into rut, I can tell you're not like that. It's just- well, some alphas are just more prone to anger or frustration during their ruts, and others just use it as an excuse. I-” She sighs, seeing the worry still etched in his brow. 

“If you're really that worried, you can always spend the first one alone. Not completely alone, we'll check on you and make sure you're okay, but give you privacy. I really don't think you're gonna be the type to hurt someone you care about, even by accident.”

She leans over and pats him on the knee.

“Don't worry too much.”

He worries.

Because he worries, he tries to find as much information about this issue as possible. Access to reading material is limited due to their busy schedule, but whenever he can he looks for relevant books and news articles. He talks to the other sorcerers, the ones he doesn't mind as much, and thinks things over.

Now, he isn't really worried.

He's terrified.

Of himself, of what he may be capable of during his rut. The alphas he spoke to did not have much personal experience being overly aggressive during ruts, but both them and the betas shared plenty of horror stories. (If they'd known why he was asking, they might have turned it down a notch.)

While he’s not especially close to the other sorcerers, he would not want to hurt them. Not Kamo, Fushiguro, or Maki. Definitely not Yuki.

Above all, he vowed to himself to never, ever , hurt Yuuji again. 

Choso's little brother is precious to him. He is kind-hearted, headstrong, helpful and selfless. He’s determined and playful, and so, so beautiful, inside and out. 

Choso's love and attraction had only grown in their time together, showing no signs of slowing down. Every day he found more and more little things to adore, to hold close to his heart about his Yuuji. 

But he knows his affection is one-sided. Yuuji has thawed out towards him, finally accepting him as his brother, though getting him to address Choso as such was worse than pulling teeth. 

Unfamiliar with human customs, he had unknowingly crossed some boundaries with Yuuji; growing touchier, calling him names he overheard couples using, doting on him so much they'd been mistaken for newly mates a few times.

And Yuuji didn't like it.

The omega would flush and scowl, would shove him away when he kissed his cheek, scold him when he called him ‘baby’ or ‘dear’, scoff and huff and say he could carry his own things when other omegas at the store would watch them, giggling and sighing and saying they were ‘so cute together’. 

Choso, quietly distraught, asked Yuki what he was doing wrong. 

She explained to him with a gentle voice that what he was doing wasn't really appropriate for brothers. That humans have rules for how two brothers should act, should show affection. How his way of expressing it was… coming off the wrong way, especially when he was an alpha and Yuuji an omega. 

“If it makes you feel any better, I personally don't think it's a big deal if you were to be together like that. He's Sukuna's vessel, and you're a Death Womb Painting. The rules are kinda fucked, in my opinion.” She shrugged, long blonde hair splayed across a lightly tanned shoulder. It slipped off her skin like silk. 

“Yuuji might feel differently, though.”

So he plans, to be certain that he doesn't ever do something that would damage his relationship with his brother.

It's even more difficult to source all the things he needs than it was to find the books. The devices he's looking for are… antiquated, to put it lightly, but he doesn't care at all if it means keeping his little omegan brother safe.

His search is made a bit harder due to his attempts to maintain some modicum of subtlety while acquiring them. 

Choso doesn't let this discourage him, and it's only a few more months until he feels secure enough with his plan to move forward.

Yuuji gives him a strange look and giggles when he starts explaining it to him.

When Choso tilts his head in confusion, he stops with a choke.

“You- that was a joke, right?” He thumps himself on his chest, trying to catch his breath. 

“Why would that be a joke? Your safety is no joke to me, otouto!” Choso replies, frowning.

Yuuji stands to get some water. He takes deep gulps, coughing a little as he leans over the sink before his breaths finally settle. It's quiet for another moment before the teen finally turns around, face pinched. 

“Choso,” he begins, slow, “You're not a wild animal. It's a rut , not a- a-”, he flails his hands in the air, at a loss of words for proper description, “I don't know, a fucking rabies infection or something! You won't be that far gone to- to hurt me. We're family. You wouldn't even see me that way, so…” Yuuji shrugs stiffly, then throws his hands up again, exasperated. 

Choso holds back a sigh. Now that they have grown closer, his brother sees him as harmless. He sees his affection, his complete devotion, and can't see a world where Choso would ever hurt him (again). It's ironic considering their first meeting (something Choso will go the rest of his life attempting to make up to his dear otouto.)

But Choso knows better. He is the eldest, after all.

“Yuuji,” he responds, stepping forward to grip his brother's shoulders. He maintains eye contact, face and voice grave to get his feelings across. “It's very important to me that you follow my directions if I were to ever fall into a rut. I'm not fully human; it is perfectly safe for me to not eat or drink during the duration of it.”

Yuuji's face twists with displeasure, but Choso continues before he can open his mouth. He makes sure not to mention that he can still feel hunger, and that it will likely be more intense during a rut. It's not important.

“I don't need anyone to visit, but I can have Yuki come by as a failsafe. It's safer if it's another alpha- she can update you on how I'm doing.” Desperation leaks into his voice steadily as he keeps speaking.

“Please, otouto,” he pleads, hands tightening their hold, “just do this for me. Okay?”

Yuuji's eyes flicker between his, searching. He's quiet for a long moment, before his shoulders slump with a sigh. 

“Okay,” he agrees, mouth pulled down. “But I want to visit at least once, with Yuki. I won't budge on that. You'll…” he falters, expression pinching in discomfort. “You'll be muzzled, bound. Caged. ” He shakes his head, looking sick at the thought.

“Obviously nothing will happen. So I want to be able to see you, even if it’s just one visit.”

His voice is unyielding.

Any arguments Choso could have die in his throat with a soft exhale. 

His little Yuuji had a point. He couldn’t deny his sweet brother this small request.

Just one visit wouldn't be any harm.

*******

Their talk is all but forgotten for the following months. His rut doesn’t arrive, though he has some close calls. Spikes of fluctuating hormones affecting his pheromones, his scent, his behavior. He’s been snappish, rude, emotional, quick to weep. Even his appetite and energy have not been spared, varying from ravenous feasts to nauseous fasts, from boundless stamina to barely enough strength to get out of bed.

Yuki explained that alphas and omegas had these issues during the week leading up to their cycles, and the symptoms typically became more mild as they became older. Their working theory was that he was experiencing something of a ‘second puberty’, as his body was attempting to experience its first cycle with a new soul inhabiting it.

His friends and otouto were very understanding about his struggle. It made it all the more undignified to be so… out of control of himself, of his instincts. To be so easy to anger, to provoke, to dishearten…

To arouse.

Choso had been in this body for a while now, and discovered many things through both the scattered memories of its original owner and its own quirks.

At this point, he wasn’t a stranger to the parts he’d inherited. It seemed to almost have a mind of its own, and he had grown used to random, inappropriate erections. His technique made it easy to be rid of them, but he noticed he had needed to use it more and more often when around his otouto.

His out of control hormones made it all the worse.

Luckily, these had all been false alarms, only lasting two days or so. He couldn’t ignore that they were becoming more frequent, though, and each time they came up reminded him of the very real risk he posed to the people around him. To his dear Yuuji.

He was unstable, unpredictable. He always made sure to review the plan with Yuuji whenever he had these hormonal bouts, to the omega's chagrin.

He seemed to understand his worry, and kept his complaints to a minimum. The repeated promise that he could visit helped appease him a little, at the very least.

Bright peals of laughter pulled him from his turbulent thoughts.

He registered the warmth bleeding into his left side all at once as he came back to himself, the soft peachy hair tickling his neck and jawline.

“Wow, I thought you’d be better at this by now!” Yuuji teases, nudging Choso with his eyes glued to the screen as his player races over the finish line.

On the other side of the split-screen, Choso’s character drives into the wall of the course repeatedly. Dead last.

“Ah, sorry, Yuuji,” Choso laughs quietly, bashful. “I got a little distracted. Start over?”

Yuuji hums, straightening on the couch and tapping a finger against his chin. 

“I don’t know, that’s not very fair, is it?” he muses, turning to give Choso a playfully reprimanding look. “I worked hard to win that race, and teach you how to play! It’s not my fault you got all up in your head.”

 He flicks Choso on the forehead lightly for emphasis.

“I think you should give me my prize first if you think you deserve another chance!”

Choso huffs a laugh, raising his brows. “A prize, huh?” he plays along. “And what kind of prize would my dearest otouto like in return for showing me such bountiful mercy?”

Yuuji grins widely. “Let’s go to that abandoned fair down the street.”

Choso feels a headache form immediately at the base of his skull. “Otouto…”

“Oh come on, ” the teen rolls his eyes, turning his body completely to face his brother. “It looks fun, and we’ve fought much more dangerous curses than the ones that hang out there. Besides, even if we get in a fight it's a good reason for me to practice my blood bending, right? Win-win!”

His brain tickles with the knowledge that some kind of reference has been made that he doesn’t understand. His brow furrows. 

“Why would I bring you somewhere dangerous to have fun, when we can have fun here, playing these picture games you like?”

“ Video games , Choso,” Yuuji makes a constipated face. “You know pictures don’t move. Anyway, like I said- we fight curses all the time, especially as training. It’s really not any more dangerous than what we do on the regular. Why are you so against it?”

Choso bites the inside of his cheek. To be honest, he knows exactly why he’s so against it. 

He’s been having another hormonal flare up, and his protective instincts have been going haywire all week. That’s the only symptom he’s felt so far, so it’s been easy to hide, but little peeks have shown themselves in his behavior. Like his refusal to let his baby brother anywhere near the curse infested fair site they had found just a day or two ago.

Yuuji had immediately begun to race over, but Choso stopped him swiftly. He’d made all the excuses he could to get them away from there. His instincts had screamed at him to protect, to take Yuuji away from the danger, to claim him, show anything and everyone else that they couldn’t touch what was his-

Choso clears his throat and tries to force those thoughts down.

“I just think it's a pointless risk. Isn't this fun too?”

He lifts his controller to demonstrate. His character falls off the course.

“To be honest, beating you at video games is becoming less entertaining and more sad, at this point. We need a change of pace!”

The omega turns to him, bottom lip wobbling.

Choso's heart skips a beat. Oh no.

“ Please , brother?” Yuuji gives him a doe-eyed look, pink lashes fluttering.

“Okay.” 

I'm so fucking weak.

“Yes!”

It’s already getting dark when they get to the fair, rides rusted and covered with litter. Grade 3 and 2 curses are scattered all around, peeking before scurrying away. Some hiss at them, and explode with a quick burst of Piercing Blood.

Choso follows Yuuji around dutifully, indulging his urges to climb every structure they can, to play the games that are still able to function, and snagging a few cute plushies. 

“It kinda sucks the place is so broken down. If the rides were working or not covered with some kind of brain eating fungus it would have been even more fun.” Yuuji sighs, kicking an old rusty can of soda.

Choso studies the wistful look on his brother's face, heart squeezing. “Maybe we can go to one that isn't run down. When we have the time, some day.”

They walk for a little longer, the pinkette hopping up on some guardrails and throwing his hands out to his sides for balance. 

“That would be nice,” he responds. 

Choso blinks, having almost forgotten what he had said a few minutes ago. He smiles. 

“Yeah? What ride are you looking forward to the most?”

The omega hums, jumping onto a picnic table and kicking off to land on a small ticket booth.

“All the coasters are fun. I always really liked those teacup ones cause you could make them spin so fast. I threw up on those a couple of times.” He wobbles on the creaking roof before leaping off to a row of benches.

The alpha stares after him. His otouto had an interesting idea of a good time. His mouth twitches into a smile despite himself.

“Any updates on those suppressants Ieri is making for you?”

Choso pauses a bit at the sudden change in topic. Yuuji has continued on to a huge sign for one of the broken down rides, swinging along the metal structure underneath like monkey bars.

“The last ones she gave me to try out didn’t seem to do anything. The bloodwork came back the same.” He shrugs, trying not to show his frustration and anxiety. “We already know human medicine doesn’t work on curses. I knew when I asked her for help that it would take a while.” 

Or never happen .

The teen doesn’t respond, jumping down smoothly onto pavement. He pulls out the little plush he had stuffed under his zipped up jacket, tucking it under his arm. It was miraculously still in its plastic bag, unsoiled. 

“Ieri is super smart,” he comments, unconcerned. “She’ll figure something out for you.” He turns around, drifting back to Choso’s side. 

They stroll in silence, the alpha’s worries calming further when Yuuji taps their shoulders together.

“This kind of reminds me of my club,” Yuuji shares, breaking their easy quiet, tone nostalgic. “We used to explore different spots, sometimes abandoned ones, or those that were allegedly ‘haunted’.” 

He laughs softly, his new Pochacco plushie cradled beneath his elbow.

“They were such scaredy cats…”

Choso admires the fond smile on his brother's face, his own soft.

“You were never scared?” He ribs.

Yuuji shoots him a look and scoffs, mouth still tugged into a grin. 

“Seriously? The scariest thing we found in those dumps was an expired Twinkie older than me. How the hell did it even end up in an old church?!”

Choso’s delighted laugh cuts off when a small blip of cursed energy pops up nearby, a dull metallic clang sounding from the same direction.

“It's just a Grade 3, not a big deal.” Yuuji shrugs, then reaches his arms up in a stretch. 

“Relax, man.”

Choso spares a glance at his bored expression. “You should never-”

The curse whips towards them, surprisingly fast for its low grade. It's still as weak as expected, bursting as soon as Choso hits it with a CE-infused fist. Its strange, worm-like body disappears mid-air.

“See? You had it handled!” 

The alpha gives Yuuji a disbelieving look. “Your guard was completely down! What if that weak thing had gotten a lucky shot because I wasn't here?”

Yuuji waves him away, tugging on his sleeve to guide him toward the exit.

“But you were here. My knight in shining armour!” He teases, smirking. He misses the small flush that spreads on Choso's cheeks as he pretends to swoon against him.

It's hard to hide the pleased note in his scent, the itch to hold his brother close and nuzzle him, perfuming him with metallic woodsy notes. Just the idea makes his alpha purr in delight. 

Choso sighs and pulls Yuuji along, eager to head home.

Two days later, he goes into rut.

*****

It doesn't feel much like Choso expected it to. At least not at the start.

In hindsight, he can tell that his pre-rut had begun in the evening, with a mild headache. He wasn't used to those appearing for seemingly no reason; usually they only happened after interactions with Jogo or Mahito. 

It’s a low but insistent throb at his temples that refuses to leave and instead wraps around the rest of his skull like a hitchhiking curse.

When he goes to Yuuji about it, the omega just tilts his head and asks him a few questions, like whether he ate, if he was feeling tired, hot, etc.

“Can you even get sick?” he muses while resting a hand on his forehead. “You don't feel feverish…”

“It's not very painful,” Choso admits, trying not to lean into the touch. “It's just… strange. I can't tell what could have caused it. I don't usually get headaches.”

Yuuji hums and pulls away, filling a glass of water. 

“Maybe you're dehydrated- sometimes drinking water helps.” He hands it over, their fingers brushing. “I don't know if human medicine will help, but if it gets worse we can try that. If all else fails, sleep usually takes care of things.” 

The pinkette smiles and pats him on the shoulder. 

“You'll be fine!”

The next morning, he doesn't feel fine. The headache is gone, but he still feels… off. He can't really describe it. Just the feeling of something… something in his body, some of kind of urge, something deep inside that wants him to-

To-

His brows furrow. That wants him to what?

Choso rolls over in his bed and groans.

Whatever. He wants to see Yuuji.

His brother is in the middle of lacing up his shoes by the front door when Choso makes his way out of his room. 

“You slept in longer than I expected you to,” Yuuji comments, glancing up at him, “does your head still-”

He does a double take and stands. 

“Oh geez, man do you have a fever? Your face is super red.”

Choso blinks. Now that he points it out, he does feel pretty hot. Sweat is starting to bead up along his hairline.

“Um, maybe? I do feel warm. My head doesn't hurt anymore, but I feel kind of… weird.”

Yuuji comes closer, pressing the back of his hand against Choso's forehead. It feels a little cooler. It's nice.

“Shit, maybe you are getting sick. I don't think I have any medicine here…”

The alpha bites back a whine when that soothing touch pulls away. Yuuji smells really good, but he won't say anything. The teen usually gets flustered and annoyed when he compliments him on his scent. 

“I didn't know I could get sick.”

“Me either. I'll call Yuki to let her know, and I'll stop by the store real quick to get you some medicine and things, okay?”

“No!” Choso blurts, chest aching at the thought.

Yuuji's eyebrow twitches. “What? Why not? It's supposed to help.”

His heart begins to pound, throat tightening up. He can feel tears starting to prick his eyes. 

He would laugh if he could at the way the omega's eyes blow wide with panic.

“Okay, okay,” the teen waves his hands as if calming a spooked horse. “Woah, don't cry, I won't go. Just- don't cry, okay?” 

Choso manages a nod, gulping past the boulder in his throat. Honestly, he's surprised too. He's never felt so unexplainably emotional before. Is this what being sick was like?

“C'mon, come sit on the couch.”

Yuuji has him take a seat before going back to take his shoes off at the entrance.

The brunette stares down at his hands. They're shaking a little. He feels all jittery, but also like he could fall right back to sleep if he was tucked in on the couch. This is so annoying already.

“-go, so it would be really helpful if you could.”

When he looks over his shoulder, Yuuji is on the phone, stepping into the kitchen and opening cupboards. 

“I’m not really sure,” he continues into the phone, swapping it between hands as he pulls down a bowl and a cup. “He has a fever, and he seemed kind of… out of it. He had a headache last night but he said that went away. I think it’s just started, really.”

Choso turns away, leaning against the armrest of the couch and closing his eyes while he listens to Yuuji putter around the kitchen. The whistle of a kettle starts up not too long after, and he can hear him chopping away.

“Yeah, that sounds good. Thank you for your help, it’s really appreciated. Yeah, see you then!”

He lets his mind relax, trying to ignore the slight ache that makes itself known along his muscles. His mouth hurts.

“Hey. I got you some tea.”

The alpha opens his eyes, shaking off his haziness. Yuuji sets down a steaming cup on the table in front of him, along with a bowl of sliced fruit.

“I didn’t want to make you anything too heavy, and Yuki will be bringing some groceries for us anyway in an hour or two. I can make you some soup then.”

His brother looks at him expectantly. 

What a sweet otouto I have, he thinks . I am so lucky. He’s so good to me.

That familiar burn returns to his waterline. 

“Hey, hey!” Yuuji says quietly, though his tone is a little panicked. “What’s wrong? Did I say something? What do you need?”

Choso shakes his head, trying to steady his breaths. 

“I- I just…” He swallows, and reaches his arms out.

Yuuji stares at his hands. “Uh…?”

“Hug?” Choso croaks. “Please.”

Yuuji hesitates, cheeks pinkening. He opens his mouth to say something before thinking better of it, and sits down on the couch next to his brother.

He sinks into his side, and hugs him back.

The alpha closes his eyes, resting his cheek on fluffy pink hair. He breathes in his scent, the sweet tartness like candied oranges. Something tight in his throat relaxes, and he starts to purr.

They lay together like that for a few more minutes before Yuuji rouses him to eat his fruit and drink his tea before it gets cold.

A few hours later, Yuki texts the omega that she’s close by.  

Yuuji stretches with a yawn, hopping off his seat at the kitchen island. He had just finished lunch, and Choso was taking a shower to clean up and cool down. He had checked on him a few times, just to make sure he hadn’t passed out in there or something. So far so good.

The omega shivers a bit when he starts walking over to the front door, feeling the wet stickiness of his lips shifting together.

Shit… this is so embarrassing.

He grimaces and redirects to his room, planning to change the scent blockers on his inner thighs and neck.

It’s been a few weeks now of trying to mask his arousal when he’s around Choso; a gentle smile on that handsome face, the deep gravel of his voice in the morning, his efficiency on the battlefield- it was all a lot for his teenage hormones.

He had been doing his best to keep himself under control, to show no signs of his attraction or more than brotherly affection, but the other made it so much harder. He clearly didn’t understand what was considered acceptable behavior between siblings, but strangely enough he had stopped his blatant transgressions only a week or so after they began.

Yuuji tried not to miss it.

After cleaning himself up and reapplying new patches, he hears knocking from the front door. Perking up, he makes his way to the entrance while calling out over his shoulder, “I think Yuki is here, Choso!”

He heard a muffled affirmative and opened the door.

“Hey! Thank you so much for coming!” 

Yuuji smiles and gives her space to enter, nodding at her own greeting and grabbing some grocery bags from her.

“Ah, it’s no problem, Yuuji! Sorry it took me a while, I had to wrap some things up…” she trails off, footsteps slowing on their way to the kitchen.

“Um, is something wrong?” Yuuji asks, brow pinched.

Yuki sets her bags on the floor quickly and whirls around. 

“Where’s Choso?”

Yuuji blinks. “Uh, he’s in the bathroom right now, taking a bath? I checked on him before you got here, he’s fine, he should be out any minute, actually-”

“You need to go,” she interrupts, eyes distressed. “He’s about to go into rut.”

“What?”

“I could smell it as soon as I got here,” She says, already typing out a quick message to Todo while heading to the restroom. “How did you not?”

The pinkette flounders, unable to reply. He’d noticed a shift in his scent, sure, but… he’d never smelled an alpha in rut, or prerut before. But how had he not-

You’re wet as a leaky faucet and didn’t put two and two together?

A put upon sigh.

Moron.

Yuuji scowls internally and redirects his attention to where Yuki is speaking to Choso through the door.

“Yes, we’ll get everything ready, don’t worry. Just stay in there for now.”

The blonde alpha turns towards him. 

“Where’s the stuff?”

A few minutes later, they both have scent-neutralizing masks on and are setting up Choso’s room for his rut. Yuuji’s stomach is alight with nerves. He doesn’t want to do this to his brother, but he knows he’d be more upset if they didn’t go along with the plan.

In the center of his room, they set up a large cage. A mattress was set inside, covered with soft blankets, sheets, and pillows. Yuuji and Yuki both left an item or two inside for him to scent. Next, they readied the restraints for Choso’s torso and legs. They had chosen some lightweight, comfortable clothes for him to wear that would also fit easier beneath the fabric and belts that would bind him. 

Yuuji’s hands hesitate over a small box, his nape flushing. He glances at Yuki, who is readying the muzzle. 

“Um, I’m ready.”

She fiddles a little more with the straps before nodding. “Alright. Let’s go.”

When Choso unlocks the bathroom, Yuki passes his clothes through the small gap of the door after he opens it. 

They wait a minute, hearing the shuffle of fabric as he gets dressed. Yuuji’s hands are sweaty around the box.

“I’m coming out.”

The two exchange glances before stepping back to give Choso space. He doesn’t look too different when he steps out, though the pink stain on his face has deepened, and there’s more sweat building up on it as they stand there. 

“How do you feel? Still yourself?” Yuki asks.

The brunette nods slowly, eyes still aware if slightly hazy while looking at them. 

“Yes. For now.”

She nods and raises the binds in her hands. 

“I’m gonna put these on, okay?”

Despite knowing each step of the plan like the back of his hand, Yuuji’s chest still pangs when Choso acquiesces and folds his arms against his sides, letting Yuki put on the restraints. She finishes by applying cursed seals on top, preventing his use of cursed energy or his technique.

They lead him to his room, and guide him to sit in the cage. Then Yuki repeats the process with his legs.

“Are you ready for the next part?” 

Though they can’t smell his pheromones anymore, it’s clear that Choso is transitioning into his rut. His breaths are quickening, eyes dimming slowly. He shakes his head in an attempt to clear it, and pants, “Yes.”

Yuuji scoots forward on his knees and slips the muzzle over his jaw. He clips it behind his head and tightens the straps, politely ignoring the drool starting to seep down the man’s lip.

“Is it too tight or loose? Do you need me to adjust it?” 

The alpha gives his brother a weak smile. “No, it feels fine. Thank you.”

The next part…

Yuuji takes a quiet breath and opens the small case he had carried with him, plucking out the contents.

Out of the corner of his eye, he sees Yuki fidget on the mattress.

“This is the last thing. I’m gonna…” Yuuji couldn’t bring himself to be more detailed than necessary for this. “I’m gonna put it on, okay?”

Choso nods, inhaling shakily. His eyes are dark, fixed on his face. The omega tries to keep it neutral.

He attempts to keep his hands from shaking when he tugs the waistband of the other man’s pants down, the thickening bulge underneath it making his pulse flicker. 

His breath is hot against his face in his mask, and he does everything he can not to think about how good Choso’s scent must smell right down, how strong it must be down here-

The erection that pops out is already half had, twitching, ruddy red. Yuuji looks at the chastity cage in his hand, and back at the hefty length. 

“Um, I think you’re gonna have to, uh… make it go down.” He says, face flaming.

Yuki coughs awkwardly next to them.

Choso trembles and grits his teeth. “Okay. I can- I can do that. Can you take off the seals for a moment?”

Yuki leans forward and complies, and Yuuji watches as the blood mark on his nose shifts. The cock in front of him quivers, then wilts slowly, soft enough now to slide into the cage.

The omega stops himself from saying something like ‘thanks’, and instead just bites his tongue, lubing the inside of the cage. He then applies some as gentle as possible to Choso, trying not to make this any more difficult than it has to be. 

He slips the metal ring of the base over his cock, and attaches the looping ring that goes around his scrotum, too. The main ring is thicker, meant to subdue the knot that will struggle to swell during his rut. He can already see the loose skin of it darkening before the ring settles into place, covering it.

The main body of the cage is open, with vertical bars running along its sides. Yuuji had tried to convince him to at least use a plastic one if he was planning to wear it during his entire cycle, but Choso had refused. He wanted something he was sure wouldn’t break easy, even if he had to sacrifice his comfort.

The pinkette carefully lifts the soft cock into his hand, steadying it as he slides the cage on. He ignores the small noise that Choso makes when he finishes sheathing it, and instead focuses on wiping a hand clean before reaching for the lock and inserting the key. He turns it, locking it into place, and let's go.

The cage rests heavy between his thighs, already looking uncomfortable to Yuuji’s eyes.

He hesitates. “Are- are you sure you-?”

“I’ll be fine, otouto.” Choso pushes out, strained. His bottom lip looks bitten raw when the teen faces him again. “Don’t worry. It’s just a few days.”

Yuki pipes up. “We’ll be checking on you every day. We’ll get you some food and water and meds, and then either me or Todo will stop by in the morning.”

The brunette agrees easily, only shuddering slightly when Yuuji pulls his pants back up and Yuki reapplies the seals.

They do as promised, taking off his muzzle while he’s still coherent to spoon feed him a meal and hold a glass of water with a straw for him to drink from. They refill it and break open a capsule of pink powder, tipping the contents inside and mixing.

“This is a prototype pain med Ieri made for you; even if they don’t help much, she said they won’t do any harm, either. Hopefully they will help take the edge off.” Yuki says.

After he’s done, they put the muzzle back on and help him settle in for the night, adjusting the pillows and blankets on top of him.

Yuki and Yuji lock the cage, reluctant to leave him.

“Well… alright. I’ll see you tomorrow morning, Choso.” 

Yuuji’s fingers twitch by his side as Yuki looks at him, waiting for him to say his goodbyes. 

“I… I hope this rut isn’t too hard on you.” He smiles weakly. “I’ll see you in a few days.”

Choso hums, unable to say much more as the first wave of his rut takes over. He’s clearly fighting not to struggle in front of them, so they take their leave quickly.

Yuuji grabs his pre-prepped backpack and helps Yuki put away the groceries before heading on their way to the compound a larger group of sorcerers has been staying at.

“He'll be alright, Yuuji. The seals we put outside will ward off any curses, and the locks we put on every entrance will make it hard for anyone to break in.” Yuji reassures him as they settle onto her motorcycle. “Todo and I will give you updates every time we check on it, alright?”

The teen sighs, shoulder slumping as he loops his arms around her waist. But he musters up a smile, and means it when he says, “Thanks, Yuki. Your help means a lot.”

True to their word, Yuki and Todo take turns visiting Choso every single day. One of them takes a morning shift, and the other stops by in the evening. They both update Yuuji on how he’s doing after each visit, and admit there are days where he isn’t quite lucid enough to have conversations. They offer him food and water if he wants it, and more medication, as it has worked well so far to lessen his anxiety and aches. 

After day three, his lucids moments become less frequent. He’s more uncomfortable, from what they report, but there isn’t much more that they can do. The influence of his rut is now in full effect.

And Choso is miserable.

The haziness of his mind is unbearable, stretches of time flashing by in a blink or seconds dragging on for hours. His body is itchy and restless with the impulse to move, to- to touch. He wants to touch something, someone, to be touched so bad. The heat all over his skin is so feverish he’d be worried if he were human.

The other alphas’ visits catch him at good times, occasionally, but some of them are spent with him whining and growling, glaring at them from across the cage’s bars.

He’s in a foul mood at those times, the neverending ache of his groin unable to be ignored. His cock bulges against its bars, his balls fat and swollen, and the base of his dick beneath the cage’s ring is raw with the urge to knot.

His mind is fraying with his need, and the medications are not doing enough to soothe him at this point. His inability to even move, let alone relieve himself, is maddening. At the beginning, Choso tried to think of Yuuji, to remind himself of his purpose for doing this, but as time went on he had to avoid thinking about Yuuji as much as possible. His thoughts inevitably turned vulgar, and made his pitiful situation even more painful and aggravating. 

On the fourth day, Todo informs him that Yuuji will be accompanying Yuki on her visit in the evening. He swallows, nervous, and declines the snacks and water the other alpha offers. He's suddenly too nauseous to even think about eating.

All too soon, he hears the far away roar of Yuki's bike. They're both wearing masks and patches as they had agreed upon, and Yuuji's smile is wide and fond when he sees Choso. Despite his worries, the alpha can feel a soft ache in his chest at seeing his little brother. He missed him.

He declines their offer of food and water, telling them he isn't very hungry or thirsty. 

Yuki chats to him about her day, how training is going with the other sorcerers, some of the more interesting curses she's exorcised since his rut began.

Yuuji pipes in every once in a while, grinning and joking with the other alpha as they try to keep him entertained.

It helps his mind stay off the pure discomfort he's been in these past few days, the mind-numbing wail of his instincts that crawl across his skin. Everything throbs and aches.

Seeing Yuuji is like a blessing and a curse. He admires the soft curves of his round, youthful face, the cute squint of his amber eyes as he smiles and laughs with Yuki, the healthy pink of his cheeks and shine of his hair. It soothes a pit in his stomach, and simultaneously stokes the fire low in his gut.

He has to look away from him every once in a while, grateful his otouto can't smell him. He's sure the teen would be able to tell right away the kind of nefarious thoughts his perverted big brother was thinking. The flare in his veins as he watched the pretty bob of his slender throat, the sweet flutter of long pink lashes against the soft skin of his cheekbones. The heat in Choso's core burned brighter as he stared at the mask. He wonder's how soft Yuuji's lips are, wants to see the deep pink of them, the shine of spit when he licks them with his hot, wet tongue-

“Choso?”

The alpha snaps to attention, blinking. Yuki and Yuuji are watching him curiously, with an understanding slant to their heads. 

His rut isn't in its deepest phase, but he's really only half present, and even that is slowly dwindling. He's also grateful for the scent patches Yuuji is wearing- he doesn't want to even think about how that would affect him right now.

A wave of heat washes over him, and the man shudders imperceptibly before offering a low ‘hmm?’ In response.

“How are you feeling? Do you want any more of your medicine?”

Choso stares down at his bound legs, Yuuji's soft, sensual voice doing too much for him to be able to look at his face right now.

He takes a deep, centering breath. His head is a little dizzy.

“No, otouto. I'm fine.” He blinks rapidly, trying to focus his vision. When it clears, he braves a glance up at his brother, seeing the unconvinced expression he's wearing.

“I promise. I like to hear you and Yuki talk about your day… it's just a little hard to focus.”

Even speaking this much is taking its toll, mind fatigued and tongue feeling heavier by the moment. 

The blonde hums. “I think another wave is just around the corner for you. We won't keep you much longer.”

Yuki sits up and ruffles through her bag, pulling out a baggie of wipes and some washcloths. 

“I'll wipe you down before we go, yeah? The last time I did was on day two, and I'd be a pretty shitty friend if I let you stew in your juices, wouldn't I?”

Choso pulls a face, but nods grumpily. He's clearly not looking forward to his impromptu ‘bath’. 

Yuuji feels a small ball of nerves rolling in his stomach as Yuki opens the cage, seating herself and carefully unbuttoning and shifting his clothes around. She makes sure not to remove any seals, just fabric.

The teen watches with hawk eyes as the alpha lifts Choso's shirt, wiping down his chest, arms, and underarms. She follows the happy trail low on his torso, and then lets the shirt fall back in place.

She repeats this with his pants and his knee binders, but these she fully undoes, allowing her to tug the waistband down to his knees.

Yuuji flushes involuntarily when the sopping wet cock cage comes into view. It's so sticky with precum that strings of it cling to the fabric of his clothes when Yuki takes them off. 

He can't hide his wince when he sees how angry everything looks. 

The skin of his member bulges around the metal bars of the cage, red and swollen. The tip of it is a purple-red that makes him ache in sympathy. The base of his cock where his knot has half blown around the ring pulses in desperation, and his overfull balls make Yuuji cringe and want to cross his legs just looking at them. 

Yuki makes a sound of empathy, but to her credit she doesn't make a face despite probably feeling a phantom pain as a fellow alpha.

“Oh, Choso,” she sighs, picking up a new cloth to begin wiping his thighs. “This can't be healthy. Don't you think I should let you out to clean you at least?”

Choso makes a whimpering sound, hips bucking once before he squeezes his eyes shut, trying to get a hold of himself. 

Yuki finishes her gentle wipes to his thighs, calves, and lower belly. 

Then she turns to Yuji. “He gave you the key to the cage, right?”

Before he can respond, Choso growls and shakes his head sharply. Yuki huffs at him and says, “You need to be cleaned, man. I'll unlock you, clean you, and lock you back up after, okay? It'll take less than five minutes, I promise.” 

Choso stares at her, muscles shifting restlessly under his binds, lips pressed together in a thin line. His eyes drop to the ground, before glancing inconspicuously at Yuuji. 

Yuki notices, and her voice softens just a bit. “He can step out if that makes you more comfortable.”

Choso shifts but doesn't look up. Finally, he nods. 

Yuki turns to him, eyes apologetic, but Yuuji shakes his head with a small smile of understanding and stands up. Putting it on when he wasn't fully aroused and in the throes of rut was one thing, but he gets why Choso wouldn't want his baby brother handling him in his current state. Even if it gives him a small twinge in his chest. He pulls the key from his pocket and hands it over to her. 

“I'll wait outside. When you're done I'll come back to say goodbye, okay, Choso?”

The alpha hums with a rasp, body shivering just a bit.

He steps out of the room and takes a deep breath in and out. He picks at the edge of his mask, the material itchy against his face after wearing it for an extended period of time, but leaves it alone after that. 

He can still hear the murmuring of Yuki's voice, so he takes a few steps down the hallway, attempting to give them some privacy.

Yuuji was pretty much guaranteed to be away from Choso for the majority of his cycle, which is the main reason he was given the key to his chastity cage. He didn't want to risk the seals failing, him ripping out of the restraints and getting the key from Todo or Yuki during their many visits. 

It makes sense, and yet Yuuji feels like he's playing a part in taking away his brother's freedom everytime he feels the cold metal burn his palm. 

Yuuji is just starting to wonder if he should go wait in his room when he hears a loud groan of relief and blushes. 

Yuki must be taking the cage off.

The teen gulps. He can't imagine what that would feel like, to spend so much time with such a sensitive part of you locked away- unable to find relief, and during a first rut of all times.

More soft whimpers and pants leak from the door, a low voice murmuring comfort. Yuuji flushes darker, his lower body heating up. He stiffens with mortification when he feels himself getting wet.

“What the fuck is wrong with you,” he whispers to himself with a hiss, hands flying up to cover his eyes. 

The omega knows, logically, that it's normal to be a bit… hormonal, and easy to rile up, when hearing such salacious sounds. Especially when coming from the object of his attraction, and affection.

But he is also aware that he should not be encouraging his pathetic crush, and that he should instead be doing everything he can to distract himself from these lewd thoughts about his own brother.

Yuuji knows all this, and yet.

His feet stay glued to the floor, eyes shielded from the outside world as his ears burn.

Unbidden, scenarios flourish behind his closed eyelids, head running wild to conjure up what must be going on in that room. 

The way Choso's newly freed cock, swollen and blood-dark, must glisten with all the precum he's been leaking. How the thick length of it must twitch at every gentle touch, Yuki cooing as she slowly wipes his sticky inner thighs. 

Stop! Stop thinking like that, you pervert!

He admonishes himself for having his mind so deep in the gutter, palms dragging down his face and slapping his cheeks a bit, eyes fluttering open. He should not be twisting the situation like this- Yuki is just a concerned friend, a caring one, helping out a fellow alpha. Choso is clearly suffering, so why the fuck is Yuuji being so- so horny about it! 

A quiet mewl sounds from the room. 

But the idea of him so desperate for touch…

Yuuji rubs his thighs together and bites his lip.

God, what is wrong with me? He laments.

The door to the room creaks open and he straightens, hands darting to his sides like a kid caught with their hand in the cookie jar. He tries to make his face as unbothered as possible.

The omega is counting the small cracks along the wall very intently when he sees Yuki walking over in his peripheral. He can’t resist looking over. When their eyes lock she gives a wane smile and sighs. 

“I'm done cleaning him up, but I just need some ice to calm him down enough for the cage.” She explains, heading towards the freezer to grab her supplies.

Yuuji chokes. “Wha- ice!?”

Just the thought of it made his legs close tight, face pinched in sympathy 

Yuki shrugs, opening the freezer door and moving things around to find a suitable ice pack.

“It was his idea; he refuses to let me take the seals off to use his technique.” She throws a wry smile over her shoulder. 

“Man, the shit you do for your friends, huh? Didn't picture myself icing down another alpha's dick on a Saturday night.” 

She shakes her head and turns back to the freezer, lips still tilted upward.

Yuuji just stares at her for a moment, hoping the flush on his face from lingering arousal and slight embarrassment isn't as obvious with the mask on.

He peers down the hallway to Choso's room, listening to her rummage through the drawers. He stares at the door, the temptation to sneak over and take a peek almost overwhelming- he wrenches his gaze away with a trickle of shame in his gut. 

What was he doing, still thinking of his brother this way? Getting turned on by the horrible rut he's going through? Especially when the main reason he's doing this is for him?

It does nothing to lessen the throb between his thighs and he hates himself a little for it.

The freezer door shuts, followed by rhythmic footfalls as the blonde makes her way back to the hallway. She nods at Yuuji and shakes her prize a little in acknowledgement, a small frozen bag of mango slices wrapped with a washcloth.

She pops back into Choso's room, and 10 minutes later she pokes her head out of the door to tell him he can come back in.

The teen perks up from his slouch on the ground and steps inside.

The air feels denser, warm and humid, though the mask stops him from detecting any pheromones. 

The alpha is sat up, but slumped against the wall along the back of the cage. His face is still a pretty pink, but devoid of any sweat for the moment. His eyes are slightly unfocused when he raises them, dark as they settle on Yuuji’s face.

The omega offers a small smile. “Hey,” he says softly, kneeling down in front of the bars. “I hope you feel a bit better after getting cleaned up.”

Choso blinks and says nothing.

Yuuji bites his lip, stomach flipping.

He's already slipping into another wave. Damnit. 

“Your rut shouldn't last much longer. I'm excited to see you again when it's done.” He offers. 

Choso makes a small noise, maybe a hum. The teen shifts a bit.

“Well- we'll get going. Get some rest, okay? Todo will be here in the morning.”

The brunette's eyes flutter like they'll shut any moment. 

Yuki says her goodbyes and they both stand, leaving Choso to face the next surge of his rut alone.

******

Yuuji goes through the rest of his day like normal, save for the thoughts running rampant in his head and the incessant pulse in his core they bring. Training keeps his mind off it for a while, but only for that while. He doesn't dare go out to fight curses while distracted like this. 

Sweet citrus flares in the air occasionally. He tries to tamp it down as best he can and hopes he plays it off well; at least, no one gives any indication that he doesn't. He changes his scent patches just in case anyway. 

At the end of the day it's all he can do to keep from running to his room and getting himself off. 

Yuuji finishes dinner with the others as calmly as he can manage, giving out smiles and goodnights as he washes his plates and sets them to dry. He walks out in no rush, but once he reaches the hallway to his room he peeks over his shoulders before scurrying to the door. 

The omega ignores Sukuna's sneers and pushes him as deep down in the recesses of his being as possible before locking the door (double checking twice ) and hiding beneath the covers. 

He takes a shaky, excited breath, pulse jumping. He wiggles his pants down and slips a hand beneath his boxers, sighing when he brushes through coarse pink curls and feels the sticky wetness between his lips. He spreads it over the hard nub of his cock, the light touch burning pleasantly in his belly, the soles of his feet hot. 

Beautiful women, tall and curvy, spring to mind. Soft moaning, high voices and whimpers for more sing in his ears. 

This was the typical masturbation fodder he kept in mind; a particular scene from a porno he’d watched, the whines he’d like from an audio he’d heard, lines from an erotica he’d read hidden under his sheets. 

The burn in his veins throbs sweetly, but doesn't escalate. Yuuji pants and squirms, reaching for the perfect fantasy to get him going.

He had his usual go-tos, but it seems they weren’t doing it for him today. Sometimes he had to switch it up, depending on his mood, but nothing he thought of was working for him. 

The pleasure was peaking and fizzling under his fingers, his body unconvinced despite his efforts to tease and caress himself how he liked. He groans and pulls his hands away to lay by his sides, glistening and perfumed with his essence.

After all that buildup, and he couldn’t keep himself aroused now that he had the privacy and time to take care of it. 

He wriggles lower on the bed, flat on his back with his knees bent. 

He stares up at the ceiling as he spreads his legs apart, that insistence throb letting him know it wouldn’t go away even if he wasn’t able to satisfy himself. 

Yuuji groans again and pulls his pillow over his head, frustrated. He thinks longingly of his toys he had to leave behind in the house he’d been sharing with Choso. Choso….

The throbbing between his thighs intensifies. He shivers and holds the pillow tighter over his head, legs closing shut.

Suddenly, he can’t will away the images of what he’d seen- the desperate blush staining his face, the sweat sparkling along his cheekbones, the peak of his fangs as his bitten lips twitched behind his muzzle-

Yuuji’s eyes flutter closed as he grips the pillow, letting it slowly slide down his face.

His eyes had been hazy, the beautiful dark brown of them swallowed by his pupils. His lashes were so long.

Yuuji swallows, pillow now hugged to his chest as his legs subconsciously squirm, hips shifting.

The way the rut restraint had stretched across his broad shoulders, straining as his sculpted chest heaved. His legs were forced closed by their binds, only allowed to bend at the knees. When Yuuji had walked in, he had bent them up to try and hide his lap, the obvious bulge not from an erection but from the cage he had insisted on wearing-

Soft pants fill his bedroom as heat washed down his ears to his neck, thighs clenching for friction. He lets a hand drop down from the pillow to seek his waistband with little thought.

When Yuki had undressed him…

Yuuji moans quietly, high in his throat. His fingers slip over his clit, liquid pleasure thrumming deep into his core. He feels himself slicken, the slide becoming wetter and smoother when he drags his fingers over his folds.

He should feel bad. He should feel only pity, sympathy, guilt, and indignation for his brother. And he does feel those things, but…

When he’d seen his aching cock struggling, stuffed into that tiny cage, gushing with desperation-

“Ohh,” Yuuji moans, arching into his fingers as he sinks two into his twitching hole at once, the others joining under his pants to tend to his little erection instead.

His chest heaves, mouth falling open with silent whines as the pink warming his face burns a cherry red down the line of his throat.

He’d mainly just felt lust .

Yuuji had squashed it down and ignored it as quickly as he could in the moment, trying to focus on being a comfort to his brother in this difficult time for him, but- but-

He forces a third finger inside, fingertips circling his cock just a little faster, and cries out at the sweet stretch of it. Wetness glides over his hand, the slick slap echoing in his room.

(He’s never been so glad to be the only male omega staying in these rooms.)

-But now he was alone in his bedroom, with the freedom to think whatever fucked up shit he wanted to feel good and just get off.

The wet smack of his hand picks up, fingers curling to hit that spongy spot inside him that makes his legs shake and pussy clench. 

His heels dig into the bed to tilt his hips into the feeling, head lolling back and forth on the bed as he bares his throat to an imagined lover.

He wants to- he wants to play with Choso’s caged cock, to fit his mouth around the bars and taste the metal and precum and frustration. He wants to wet it with his tongue, to hear Choso sob in pleasure and pain, to watch his body tremble as Yuuji overwhelms him with the silky heat of his mouth.

He wants to pull his underwear down and bare his pink cunt to his own rut-addled brother, to tease him with the smell of a fertile pussy ripe for the taking while he’s bound and muzzled.

He wants to bend over and show him his tight holes, to stuff them with his fingers and makes himself cum while Choso can only watch and long for the same pleasurable relief-

Yuuji keens and bucks his hips in the air, hands a blur between his legs. The pleasure racks his body, goosebumps running up and down his limbs, his belly pulsing hot and needy. He's so close, so close-

He just needs a little more-

His tongue waters as he imagines swallowing precum from that puffy red slit, a fingertip running up and down the side of that bulging cock. Feeling the velvety soft skin, the pulsing, angry veins thrumming with blood. The heavy, pent-up sack hanging beneath him, purple with denial, just begging to be drained-

His clit jumps beneath his fingers, hard and demanding-

He wants- he needs-

“Choso!” he cries out and arches off the bed, walls squeezing his thrusting fingers and cocklet throbbing hard as he convulses through the waves of his orgasm. It's so wet , slick gliding down to his wrist and sticky on his inner thighs. He whimpers and shakes, heart pounding in his chest, head dizzy with the rush. His hands gradually slow to prolong his bliss and bring him down gently. The high leaves a pleasant buzz in his body, a dull soothing roar in his ears and a relaxed heat on his eyelids. He pants softly and calms from his overwhelming orgasm.

He finally opens his eyes, staring up at his ceiling.

His legs feel weak from how hard he came.

From thinking about his brother .

He closes his eyes again.

“ Fuck.”

Chapter Text

The next morning Yuuji wakes up to the same tingle deep in his belly, an emptiness inside that wants . He ignores it, tries vehemently to forget what he'd done last night, like he hadn't leaped over every single boundary he had attempted to enforce between himself and his brother. A moment of pure weakness that made guilt burn in his chest just as brightly as it stokes a fire low in his belly. 

The omega grits his teeth, shaking his head as if to physically dispel these thoughts first thing in the morning. 

He begrudgingly slips out of bed, sliding on his warm slippers, and heads to the kitchens to make some breakfast. Hopefully, that will give him time to calm before showering.

Yuuji smiles and greets the others already there like normal, though he feels paranoid that last night's actions are printed across his skin like tattoos. He's a little twitchier, more restless, like any moment someone will point at him and announce his newly awakened depravity. It's made all the worse by the stubborn wetness he feels gathering between his legs, the way his thoughts eventually stray to one thing. One person.

He swallows hard and focuses on finishing breakfast, joining in on the conversations the others have every once in a while. The rest flows in and out of his ears like water, white noise, a background to his turbid thoughts. 

Eventually he excuses himself to go shower and get ready for the day, trying not to feel too upset by the idea of not seeing Choso again.

******

Yuuji fights a losing battle in the shower, shuddering whenever his cleaning softens from uniform, firm movements to teasing caresses. He stares at the tiled walls and begs for more self-control as his cocklet steadily firms up, poking a little from between his lips. Every time he moves he can feel his labia stroking it, the silky skin gliding easily, making his nerves sing.

He makes it to the end of his shower, every inch nice and clean, before leaning against a wall and dropping a hand to his needy cunt.

He barely swallows down his moan as he presses lightly on his clit with a warm palm, hips tilting into the pressure. His hole clenches around nothing, aching with the desire for something bigger than fingers. 

“Hmmm,” Yuuji whimpers, failing to bite his noises back. 

Everything is amplified in the stall, so he relies on his other hand to cover his mouth and muffle himself. He should be safe in the omega showers, but he didn't want to risk anyone passing by to overhear a free show. 

He sinks two fingers inside, face relaxing at the stretch and head tilting back on the wall. He smothers a filthy whine as he starts off with a quicker pace than he normally would, walls tingly with warm pleasure and squeezing greedily. It doesn't take him long to add the third, the position making everything feel much tighter even as his rim accommodates with little issue.

His palm applies more pressure as his hand slaps down with every thrust, clit throbbing excitedly. 

Everything feels so good, until his body wants more .

His fingers arent enough, too slim, too short. His cock wants something more firm, more wet, just- more .

The omega debates sitting on the floor to get a better angle to stuff more fingers inside, but quickly disperses the thought with a wince. He knows everyone takes turns cleaning the bathrooms thoroughly, but he couldn't bring himself to do that. 

He thinks about lifting a leg up to prop on the wall, but he doesnt trust his knees to keep himself up when he comes. He's made that mistake before.

He pulls his hands away from himself with a wet squelch, sighing quietly in frustration. 

The teen stares down at his soaked pussy, his hard clit, and pouts.

Then he glances at the running shower and perks up, thanking his lucky stars for whoever decided to install detachable shower heads.

His clit pulses with giddy anticipation, walls fluttering, needy for attention.

He lets the flow hit his inner thigh to get used to the pressure, shaking as he inches it closer to his folds. He watched his cock jut from his lips, a deep pink, chubbier than normal. It only gets this hard when he's in heat or really turned on, and he bites his lip, images of a metal cage, of flushed, straining flesh flashing in his mind unbidden.

H e moans loudly as he lets the spray hit right next to his clit, just barely touching it, too sensitive for direct contact. He guides his other hand down to fill himself again, ignoring the way the hole seems to weep and beg for something thicker, something veiny and long with a deep purple tip and subtle curve and full balls to empty right into his greedy womb-

“Oh, fuck!” Yuuji pants and arches into his own touch, belly swooping as he suddenly feels much closer than he did for the past 30 minutes. Wet squelches get louder with every thrust inside, slick spilling over his fingers as his pussy tightens around them.

His cock thrums under the spray, spikes of ecstasy slamming deep into his core with every twitch under the shower head. 

He squeezes his eyes shut, no longer worried about how loud he's being, just focused on the ache of his cunt, how close he is to finally letting go.

The water feels so good on him, and he tilts it just a bit until the head it aimed directly on him, thighs tensing. The fierce pleasure of it warps into the silky wet heat of a tongue curling around his clit, circling, his hand suddenly fisted into dark, soft hair, a tattooed nose poking his lower belly.

He whimpers and curls his fingers hard, replacing them with thicker, calloused ones, ones that could reach so much deeper, stretch him so much wider-

He could prop his leg up on a broad shoulder, give more space to fit a fourth finger inside-

Or-

Yuuji shudders, hips jerking, so fucking wet.

He could keep his leg down instead, nudge it between thick thighs, into the heated litte space there, tease his foot up and down a desperate cock, spread the precum dripping from it along his toes, press that girthy length gently into the ground and feel a needy groan vibrate right into his pussy-

His eyes roll back as he cums suddenly, hard, the band in his tummy snapping as bliss washes over him. His shout is silent until it breaks free from his throat, a raspy keen sounding along the walls. His clit jumps beneath the spray, walls clenching like a vice over and over, slick joining the water down the drain.

He keeps the shower head on his cock until it almost hurts, cunt a little numb around his fingers. 

He tilts the spray away, letting it drum against his sensitive folds, moaning softly at the shivers of pleasure it brings. The thrum of need builds up slowly in his gut again, clit aching from oversensitivity but greedy, throbbing when he lets the water hit it just slightly. 

Yuuji mewls, eyes fluttering as he pushes his cramping fingers to stroke that soft spot inside. 

He spends another 20 minutes in there, cums 2 more times until his pussy aches for a break, and he's sated enough to rinse himself off and leave before someone comes looking for him. 

Yuuji's stomach grumbles fiercely on his way to his room, and he fights off the call of sleep as he changes into fresh clothes with drooping eyes. 

He eyes his bed, tempted to flop in and just roll around in the soft sheets for a nap, but he forces himself to the door when his stomach cramps again.

No one else is in the kitchen when he finds something to eat, seating himself and munching while he thinks about how Choso might be doing.

There's residual shame in his chest when he thinks about his brother, and the perverted fantasies he's had about him (multiple times, now) in the past 24 hours. The teen had been trying so hard to shake off his stupid little crush, to be a normal younger brother. Apparently all it took was a flash of cock to get his hormonal body fixated, and now he had fallen into temptation an embarrassing amount of times in less than 24 hours. Maybe if he had still been living with Choso the worry of him overhearing would have discouraged him from giving in.

Yuuji finishes his meal and sighs.

He had tried to convince Choso multiple times that all of this was unneeded, that his plan and the things he had bought were barbaric. Choso was the furthest thing from an alpha that would take advantage of someone, and he knows that wouldn't change during a first rut. But he can't blame him for wanting to be cautious, or for wanting to protect Yuuji, especially when he was still guilty over how their first meeting went. 

Yuuji pushes a few leftover grains of rice around, cheek propped on his fist. 

He just wishes Choso hadn't gone so extreme with it. He misses him.

The door clicks open, a voice bleeding into the silence.

“-ary. I get it.” Yuki steps into the kitchen, waving at Yuuji and sending him a quick smile as she speaks on the phone. 

Yuuji perks up and smiles back, giving her a nod. 

She opens the fridge and starts grabbing a few things, setting them on the counter as she continues.

“Yeah, I'll be there soon. Don't worry, I'll take care of it. See ya!”

She hangs up and finishes picking out her food, placing them into a bag while taking a swig from one of the bottles. From what Yuuji can see, it looks like a protein shake.

“Going somewhere?”

Yuki pulls the drink away and sighs in contentment, smacking her lips before placing it in her bag.

“Yup! Just got a mission, actually. We're kinda spread thin, and it's a bit of an emergency.” She snorts. “They typically wouldn't call me, otherwise.” 

She looks at him apologetically. “I won't be able to check on Choso tonight, and Todo can't either. Don't worry, he's actually been doing pretty well, considering this is his first rut. He should be alright for the night.”

The alpha must see the worry sprouting on his face, and attempts to soothe him. 

“I promise to check on him early in the morning, and you can come with if you want, alright? I'll make sure Choso doesn't make a big deal of it.” She says with a flutter of her hand. 

Yuji throws her bag over a toned shoulder, phone slipping into her pocket as she throws him one last reassuring smile. 

“The mission shouldn't take longer than tonight. I'll see you in the morning!”

Yuuji nods and waves his goodbye, watching her exit with a swoosh of blonde hair. He looks back down at his bowl and sighs.

The thought of Choso totally alone doesn't sit right with him, but he supposes Yuki is right. Choso would be way more upset if Yuuji showed up by himself, which was the main reason he was doing all of this. To keep Yuuji away. Safe, according to his logic.

Yuuji washes his dishes and sets them onto the rack before getting ready for a nap. He's not as tired as he was earlier, but he decides to try and sleep to keep his mind off of things. It's been a very lazy day for him, but he tries not to feel too guilty for it. 

His bed is just as inviting as earlier, clean sheets warm from the sunlight peeking in. The omega hums in bliss as he wraps himself in his blankets, using a spare pillow to curl around. He buries his face in all the fabrics around him, nose wrinkling a bit at the strong smell of detergent. He'd cleaned them just the morning before, but hadn't realized how strong the chemical lavender scent was. He sits up, brow wrinkled in discontent and  looks for something better to perfume his bed.

He grabs one of his soft scarves from his desk to wrap around a pillow, where the overwhelming lavender had stuck the most. Yuuji takes a testing sniff and chirps in satisfaction, his warm citrus smothering the artificial floral notes well.

He continues glancing around for at least one last thing, maybe something that smelled of someone else, when amber eyes snag on bulky fabric and his metaphorical tail starts wagging.

He had initially thought it to be one of his own jackets tucked underneath some books by his hamper, but can tell from the scent, even as far as he is, that it's Choso's. It's clutched in hands within seconds, body relaxing as soon as that soothing woodsy smell fills his nose, the basenotes of iron curling in the back of his throat.

The pinkette climbs back into bed, face stuffed into Choso's jacket as he settles in his blankets. The scent lulls him, eyes drooping even as he feels heat building behind them.

Man, he really misses him. He wants to see Choso. It's not fair…

Yuuji shut his eyes tightly and hugs the pillow and jacket to his chest. 

The rut should be over in just another 2 days or so. He just had to be patient.

When he wakes, his head feels fuzzy with sleep and the room is much darker than before. His body refuses to wake up fully, not when his bed is still so warm and comfortable, the sun minutes from setting, light dwindling in his bedroom.

He moans and flops over, stretching like a starfish across his bed before heaving a big yawn.

Yuuji rubs his eyes, feeling his crusties flake away, drool sticky on his cheek.

It must have been a good nap.

He's suddenly alerted to what must have woken him up when he feels a dull ache in his belly.

One from hunger for food, and one hungry for touch.

He shivers, body feeling like liquid metal, heavy on his comforter. He feels a steady throb building up in his core, wetness already gathering between his lips.

The omegs groans and rolls over, hands fisting limply on top of his sheets. 

He had already gotten off like 3 times today, no way was he going to go at it again. His cock would fall off.

He rubs his cheek on his pillow, trying to pretend the emptiness inside isn't bothering him, that he doesn't want anything more than to hump against this same pillow. Maybe wrap Choso's jacket around it before taking a seat-

He exhales harshly, nails digging into the mattress as his body starts to wake up. His clit is chubbing up, demanding attention as his thighs squeeze together for friction, his hole clenching to emphasize the lack of fingers, tongue, cock to fill it. 

He moans and bites his pillow, hips tilting up like he could imagine large hands pulling them up, a heavy cock prodding at his entrance before sliding deep. 

Golden eyes fill with tears of need, flushed pussy crying out for attention. The teen’s fingers are still tired from his play earlier; he wishes he had his toys now more than ever. His favorite dildo was a tall purple one, a gift from Todo, with a wonderful curve to it. It always stretched him so fucking well, rubbed just right against his sweet spot, with these subtle ribs that grinded his walls until he was audibly soaking wet on each stroke.

Yuuji whimpers, hips squirming on the bed, thighs clenching over and over. 

It even had an attachable knot for the base, one that you could inflate with a remote, that has been a lifesaver during his heats. The thought of that thick, weighty knot stuffing his empty cunt makes him whine, back arching for it. His mouth fills with drool, his heart pounding in excitement, face hot.

He sits up at once, far from sleepy now. His body is buzzing with lust, and he needs- he needs something. Something better than his fingers, than a showerhead.

Yuuji bites his lips when a bad idea comes to mind.

It would not… be that big a deal if he stopped by his room to grab some toys, right? Choso wouldn't even notice. And if for whatever reason he did get caught, there was nothing wrong with making sure Choso was still okay while he was there, anyway. Especially since no one else was coming by. Choso would be alone, for hours. Alone, bound, caged. Muzzled. 

Helpless.

Yuuji swallows.

Ah, fuck it.

*****

It's only a 10 minute walk to the small house he'd been staying at with Choso. 

Yuuji had slapped on a new scent patch and mask, and sprayed himself down with scent neutralizer before grabbing a backpack and making his way over.

He decided not to change his clothes; he threw Choso's jacket on, but didn't change his pants or underwear despite feeling the way the crotch stuck to him with slick. Yuuji hoped the discomfort of soaked briefs would convince himself to keep the trip short.

The air was still comfortably tepid, only a mild breeze occasionally chilling his skin as the last of the sunlight dimmed. It was still earlier in the evening, but there wasn't much activity on the streets as he quickened his pace.

The protein bar he had snatched before leaving crunches pleasantly in his mouth,  bursts of sweetness hitting his tongue. He watches a stray cat scurry across the road and duck under a car as he passes by.

He is at the front door in 3 minutes, a slight creak sounding as he unlocks it and lets himself inside. He hopes it wasn't loud enough for Choso to hear from his room on the other side of the small home.

Yuuji closes and relocks the door swiftly, steps light and careful as he creeps to his room.

Now that he's here, he wants nothing more to see Choso. To free him from his cage, his binds, to wrap him up in a blanket and play more dumb video games with him. He forces himself to ignore the urge and pushes his reluctant feet into his bedroom, sitting on his bed with a sigh. 

The familiar scent of mild detergent and fabric softener mixed with own scent is a welcome one, and he lets it relax him as he closes his eyes for a moment. He only gives himself the moment, and then he exhales decisively and hops off the bed, kneeling on the soft carpet to reach beneath it. 

Calloused fingers crinkle the plastic of a bag, the one he uses to hide the small, black box he keeps his toys and lube in. It's the empty packaging for pads, the only thing he could think of that might deter nosy hands searching under his bed.

Yuuji pulls the bag out and opens the box, grabbing his favorite dildo and wrapping it in the silky pouch it came with before putting it in his backpack. He pouts, remembering that the attachable knot had broken after his last heat and he had forgotten to get a replacement. He sighs. Well, nothing he could do about now. He'll just order a new one, it wasn't a big deal anyway. He was just using the dildo to get off, not get through a heat. 

Yuuji starts zipping up his bag before pausing, then grabbing a small vibrator too. He puts it in its own pouch and stuffs it into the backpack next to the other toy.

He puts the box away and throws his bag over his shoulder, standing with a slight wince as the now cold, half-dried patch of slick on his underwear rubs against him. He squirms a little, reminded of the reason he's been desperate enough to come grab his toys. His cock throbs warningly and he stubbornly ignores it for its transgressions these past days. Now that he has what he wanted, it could damn well wait until he gets back.

Yuuji looks around at his room, snatching a Pocaccho plushie he liked to use for scenting before stepping out his bedroom. 

He's halfway through closing his backpack around the newest addition when he realizes his feet had taken him to Choso's bedroom. 

The omega freezes, staring at the door with wide eyes. His heart stutters. He knows he should just turn around and leave. No one would even know he was here.

But his legs refuse to move. 

Yuuji bites his lip.

Maybe…

No. He shakes his head and urges his feet to move away from the door. No, Choso had been clear in his wishes. He had put all this time and effort into avoiding him during his rut, had suffered alone and unrelieved for it. He shouldn't…

His feet haven't moved a centimeter.

Yuuji stares at the door and swallows.

But… What harm could it really be?

He breathes in shakily.

He misses his brother, dearly. He doesn't like to think that he's here, caged, struggling alone during his first ever rut, instead of being surrounded and coddled by pack.

He wants to make sure he's okay. To see him, just for a moment.

His fingers twitch against his backpack.

Really, it wouldn’t be a big deal at all. Choso might be upset, at first, when he realizes Yuuji was alone, but he was bound head to toe with cursed seals and a muzzle. Yuuji would make sure not to unlock either cage. 

He would talk to Choso, let him know Yuki would be coming in the morning, and that he was really just there to see him. Because he really, really wanted- needed , to see him.

Yuuji’s breaths steady, heart returning to a regular rhythm as his conviction solidifies.

Yeah, it really wasn’t a big deal. Choso would get over it. Yuuji visiting like this might even help him understand that he wasn’t a threat at all, either. Definitely not a threat to Yuuji.

Confidence in hand, Yuuji unlocks the door and steps in.

The sun has set behind thin curtains, offering no source of light or heat. Regardless, the room is cozy, low lighting from a muted lamp giving off a warm yellow glow against the walls. It's comfortably warm.

Choso seems to have dozed off in a fitful sleep, not much to do here during his rut but rest. He was too sweaty and warm to want to tuck underneath the blankets, so he had just curled up on top of them.

When Yuuji closes the door and turns, he sees Choso twitch awake before lazily lifting his head. Clearly he’d been expecting one of the alphas to be in his doorway, and he jerks upwards when he sees Yuuji.

His face twists, before he whispers, “Yuuji?”

Yuuji looks back awkwardly, feeling pretty stupid all of a sudden. He’s a bit comforted by the flood of relief and content that washes through him at seeing his brother again, even though it had only been a day.

“Wow,” he chuckles nervously, “You don’t look as happy to see me as I thought you might!”

“Is- is Yuki here with you? Todo?” Choso glances behind him like one of them may just appear out of thin air.

Yuuji fidgets with his bag before plopping onto the rug in front of the cage, setting it to the side. He sits crisscrossed and watches Choso’s panicked face, guilt burning his chest.

“No,” he admits, picking at the fibers beneath his fingertips. “Todo can’t make it, and Yuki had to go on a mission, but she’ll be here tomorrow morning.”

Yuuji swallows, nerves climbing up his throat as Choso’s expression turns angry. There’s sweat matting the dark hair along his forehead, his cheeks, and around his neck. Todo must have taken his hair down this morning. Maybe the updo was bothering him?

“Yuuji,” Choso starts, a small Alphan rumble in his voice. Yuuji’s heart picks up. “Why would you come here? You promised me you would stay with Yuki.”

“I know,” he says, eyes falling to his hand, which has a tiny collection of rug fibers he’d plucked so far. 

“I just… I missed you. Besides, you’re still in the cage. And I have my mask, my scent patch. Nothing’s happening, Choso.”

His brother is quiet for a long few moments, prompting him to glance back up. Tired brown eyes stare back at him, and close in resignation when their eyes lock. The fatigued irritation on his face tugs at Yuuji's heart.

“Really,” the omega hurries to fill the silence, “I’m gonna stay here, and you’ll stay in the cage. It’ll be fine, I just wanted to talk to you, to see how you’ve been doing.” 

Yuuji shifts in place, uncrossing his legs to instead bend them at the knee and hug them to his torso.

“Please, just- talk to me, a little bit? It’s not the same getting two sentence updates from Todo or Yuki than actually getting to see you.”

Choso’s head tilts down, muzzle clinking softly against his chest as his shoulders slump a little, eyes still closed.

“Choso,” Yuuji whispers, lungs aching. “I- I’m sorry. I know you wanted me to follow your plan, and I have been, haven’t I? I’m sorry for coming, but I really needed to see you. Just talk to me, please? I’ll leave. I will, I just…” 

He stares down at his feet. He had left his red shoes at the entrance, his soft stirrups warming him from toes to thighs. He wiggles his toes into the rug, nausea simmering in his gut the longer Choso doesn’t reply.

Yuuji doesn’t dare look up. He had never seen Choso this upset at him. He rarely got upset at him at all. He had gotten used to the open, unending affection. Heat stings behind his eyelids as he squeezes them shut and buries his face into his knees.

“I’ve been okay.” Choso says quietly.

Yuuji freezes, face still in his knees. He wavers, wanting to give Choso time to continue if he wanted.

After a few seconds, he does.

“It’s… been difficult.” His voice is low and dry, like it usually is after waking. “I’ve never felt anything like this before…” 

He falls silent again.

Yuuji lifts his head slowly, peeking up at his brother.

Choso is leaning against the back wall of the cage. The bars must be uncomfortable against his spine, but he doesn’t show it. His eyes are stuck to the side, body shaking almost imperceptibly. 

“Do the… have the visits helped?” Yuuji says.

Choso swallows and shifts a little bit. His eyes flutter before he finally looks over at Yuuji again. 

“Yes,” he replies honestly. “I'm very grateful to Todo and Yuki for visiting. And to Ieri for the medicine. The food and water has helped too. And the cleaning.”

“That's good,” Yuuji says softly. He props his chin on top of his knees and watches the alpha. “Is there any food in particular you want when Yuki comes tomorrow?”

Choso licks his lips and stares. He hums, and then shakes his head. 

“Anything is fine,” he rasps. 

“Do you… want anything right now?” Yuuji offers, loathe to leave the delicate truce they’ve made, but wanting to give his brother anything he needs. 

Choso seems to hold his breath for a second, the light blush on his face deepening just a bit. His eyes darken, and he exhales slowly.

“No.” His voice is so quiet, almost but not quite a whisper.

“Okay,” Yuuji answers, just as low. 

He sits up again, letting his legs unbend and stretch in front of him. His hands splay to his sides again as he watches his feet tilt apart a few times before relaxing. 

He peeks at Choso, who quickly moves his gaze away. For some reason, his belly feels tight. 

He chews on his cheek, trying to think of what else to say. He doesn't want to leave yet. He likes being here, with Choso. It's the calmest he's felt all week, despite the circumstances.

Honey brown eyes fall on his backpack. Looking at it reminds him of what he originally came here for, and he feels his body heat up. His legs tense, pulse speeding up.

“What is it like?”

The words spill from his mouth before he can stop it. Embarrassment flushes down his ears even as a hand reaches up to cover his lips as though he could take his question back.

“What do you mean?” Choso asks, sounding a touch more laboured.

“I…”

Yuuji hesitates, shame warring to mute him, while his curiosity and… something else, eggs him on.

He settles his eyes on Choso's lower face, unable to look him in the eye while he clarifies. 

“I just…” he gulps, saliva pooling in his mouth while he admires the glint of a fang the alpha's plush bottom lip. “I guess, I'm surprised you're so… coherent, at this stage of your rut. With no relief.” 

The heat burns against his nape, blood rushing from his face down to his throat. He hopes the mask covers some of it.

“W-what is it like? Having to… having no choice, I guess, to- for relief? Like-” Yuuji licks his lips, not noticing the dull roar building in his gut, the fire spreading at the apex of his thighs. 

“You- you can't even touch yourself, to feel better, when that's all you'd want during a time like this, and-” he's rambling at this point, but he can't seem to stop, words tumbling out with no finesse as his eyes stay fixed on the sharp line of Choso's jaw, the twitch of his mouth, the wet line of drool that smudges on the corner, “and you've been like this for days , and it's your first rut, no less. I'd go crazy, if I were you, not able to even- to even get hard-”

“Yuuji,” Choso croaks, lips shaking. 

“I'm sorry,” Yuuji blurts, dilating amber catching the bob of his Adam's apple, sliding down to a broad, panting chest, a slim waist- 

“I just- don't you want to? Have you asked Yuki or Todo for help? I know they've taken the cage off when they clean you, they've asked for the key before-”

“ Stop,” the alpha growls, Yuuji's eyes snapping up dazedly to meet his. 

Choso's face looks pained, breaths heaving. He's sweating even more than earlier, face stained red from his ears to the soft hollow of his throat.

“You- why are you saying this? Why would you want to know? Are you teasing me?” His voice is strained. 

Yuuji bites his lip, suddenly aware of the way his thighs are pressed tightly together, rubbing subtly for pressure on his aching cock. His underwear is soaking again. He wonders if Choso can smell it.

“No,” he gasps, arousal so apparent at once. He's the worst brother in the world, so fucking turned on and needy talking about his brother's desperation, his frustration like it's the plot of some shitty erotica right to his face.

“I- I-” he stutters, body trembling, restless. His fingers dig into the rug, hole twitching, so so empty.

Yuuji's eyes fall to Choso's lap.

He wants to smell him. He misses his smell. He doesn't want to inhale any more of the sterile, neutral odour of the mask.

He rips it off at once, moaning loudly as he takes a heavy lungful of Choso's rut scent, thick in the air. His pupils fatten, and his body gets so hot immediately, slick gushing from his core. He whines, high pitched, ears ringing and blocking out the sound of Choso's choked gasp. 

“Please- I'm sorry, I-” Yuuji drops a hand between his legs, sobbing at the relief of getting to touch himself. “I'm sorry, Choso, I need to.. I-”

His scent patch itches fiercely on his neck, and his free hand flies to it as the other rubs himself through his pants.

“ No!” 

He tears it off, shuddering as cool air hits his sensitive gland. He whimpers and presses hard, heel of his hand delivering sweet pressure to his clit. 

Choso's eyes go a bit hazier when he smells him, but he visibly fights the effects off as his own scent tinges with a weird blend of fresh arousal and fear.

“No… No, otouto-” his voice cracks, weak at the edges, “You shouldn't be here- you can't be here-”

“I know- I- I'm sorry,” Yuuji gasps, head tilting back and he slides his fingers beneath his bands, beneath his briefs, and bucks into the feeling of bare skin on his pussy, “ ah , I know, I won't- I won't open the cage, I promise, I just need… I need….”

Choso's panting is desperate, whiny as he begs, “No, otouto-’

Yuuji pulls his pants and underwear off all at once. 

Choso cuts off, unable to tear his eyes from newly bared skin. 

He whimpers when Yuuji spreads his legs unashamedly, the wet lips of his cunt shining, the strong citrusy sweet perfume of his lust crashing into Choso's nose. 

Choso jerks in his binds, cock fighting against the metal chastity cage harder than it has all week. It hurts, a pained whine wrenching from his mouth as his balls ache fiercely.

Yuuji answers with his own whine, three fingers sinking into his spasming hole, a loud squelch accompanying the splash of wetness that leaks from his entrance. His other fingers toy with his clit, legs shaking as he slumps against the ground, back on the rug. He can't see his brother like this, but he can get a better angle like this, leg splaying to the side and rising to get just the right stretch. He moans, the flare of arousal in Choso's scent, of pained frustration, twisting the coil in his tummy.

“Oh fuck,” he mewls, arching. His head lolls to the side, half lidded gaze settled on what he can see of Choso's. His face is pinched, anguished longing reeking from him, legs squirming in their binds. He can't look away from the omega's cunt, the sweet pink of his stretched rim, the slick dripping steadily from it, the glistening folds, the fingers stroking the chubbed, red clit. 

Yuuji spreads his legs wider, panting. Drool leaks from the corner of his open mouth. His pussy tenses, right at the edge of his orgasm. He cranes his neck to look at Choso's lap again, at the twitching bulge he hunches over with grit teeth. He sees a small wet spot spread from where the tip must be, and it sends a throb of desire through him so strong it tips him straight over.

Yuuji cries out, eyes clenched shut, mouth hanging open as he bucks into his touch. He can feel wetness pouring from him, slipping down to his ass, to the rug. His vision sparks, pleasure twisting deep in his belly. His entire body shakes with waves of bliss, breaths coming short and quick.

When his senses come back to him, nerves still thrumming in the afterglow, he can hear Choso whimpering and pleading, the words slow to register.

“-se- otouto, ahh, I can't, help, h-help, please - it,” a gasp, “it hurts, please, ungh, I can’t take it-”

Yuuji shudders, moaning softly when another pulse of lust sinks into his sensitive cunt as his brother begs him for relief. He blinks sluggishly at the ceiling, vision clearing.

Yuuji sits up, breaths calming. He stares at Choso as he squirms in the enclosure, face cherry red, cursed mark bubbling at the edges, blood smearing along his jaw and dripping from his muzzle. The seals on his restraints flare.

Doe eyes go half-lidded, veins tingling. He suddenly feels…

He licks his lips, omegan fangs itchy.

…like what a wolf might, spotting a small rabbit, alone and in its sights. 

Hungry.

He lifts a hand to show Choso the strings of arousal and cum clinging to his fingers, the way they web between them, the snap when they break from his fingertips.

Choso has stopped begging, body quaking, lips only able to pant as he watches, eyes vacant with animal desire. 

Yuuji sits up on his knees, biting his lip as he feels slick spread along his thighs, slippery between his asscheeks. 

He scoots closer, right at the bars of the cage. 

“Choso,” he whispers sweetly, hand slipping between the bars. “Do you want a taste?”

The alpha stares back.

Then he scrambles over as quickly as he can, tongue lolling out of his mouth.

A craze-tinged grin breaks across the omega's face. What a good alpha he has.

He pulls back and waits until Choso's muzzle is pressed against the bars, then leans in to press his fingers just passed the gaps of the restraint. 

The man's tongue stretches to reach him, soft wetness laving over his digits. Choso keens, tears beading at his eyes as he draws it back in his mouth to swallow his taste.

“Good boy,” Yuuji breathes, pupils blown wide as he watches his alpha enjoy him. 

His brother's hips hump the air, the wet spot growing as his eyes roll back. He moans, vibrations running up the omega's palm.

When Choso finishes cleaning him off, he pulls the digits back and sticks them into his own mouth.

He sucks the saliva off with a ‘pop’. 

“Do you want more?” 

“ Yes,” Choso rasps.

Yuuji nods, cunt pulsing. He smiles around his fingers.

“Kneel against the bars.”

Choso complies quickly. His tent pokes through the bars, the outline of his cage apparent this close up. Yuuji shivers, reaching through to grip the waistband and tug until it rests beneath his heavy, strained sack.

The cage almost looks monstrous when it's revealed to the open air. 

Choso's cock is engorged, the flesh a deep red-purple, veins popping angrily as it throbs. There's so much precum coating the length that it looks like he's already climaxed, sticky pearls hanging from the shiny, bruised tip. 

His balls are huge, taut with pent-up cum. Yuuji has never seen them this big on someone, even in porn. They're as dark as his cocktip, an aggressive purple, twitching and tightening with desperation.

Yuuji flutters around nothing. Too empty.

He sinks down, palms on the strip of hardwood between the rug and the cage as he brings his head down close.

His eyes are level with Choso's neglected length, nose almost touching as he inhales deep. He moans, breath caressing the swollen head, slick leaking from his hole as Choso whines. His hips jerk, tip smearing a wet trail along the teen’s cheek. The alpha groans like he's been gutted at the light touch, shoulders curling as his hips buck again. 

Yuuji pulls away, sticking his tongue out as he lifts his lashes to maintain eye contact.

“P-please,” the brunette gasps, abs contracting with each thrust. His brows pinch, mouth trembling as he feels a hot breath fan over his cock. 

Yuuji leans in a bit closer, cock cage almost tapping the flat of his tongue.

Choso's muscles clench, hip bones digging into the metal bars of the cage, tilting his lower body as far forward as possible.

Right before the head makes contact with the warmth of Yuuji's mouth, he pulls away completely.

“Ah!” the brunette whimpers, tears spilling over his cheeks, pink dripping from his jaw.

He looks so betrayed Yuuji has to coo, hands stroking down his trembling thighs. He leans in to plant feather light kisses right above his bushy curls, trailing to his belly button. He dips his tongue inside, smiling when it makes the other cry out.

“I thought you wanted to taste me ,” the omega teases, laying back to spread his pussy in front of the alpha.

Choso's eyes are wide and dark, the heavy cage between his legs jerking. He makes a small, pained noise, before wriggling onto his stomach, wincing as the chastity device gets pressed uncomfortably into the blankets. He ignores that as soon as he gets another whiff of that tangy sweet slick, drool leaking from his lips.

Choso leans forward single mindedly, flinching when the edges of his muzzle clang against the bars. He whimpers, brow pinching as he looks up at Yuuji for help.

The teen smiles deliriously, arching his hips to press his puffy lips against the bars, sliding up and down, slow. They glisten with his juices, clinging to him in sticky strings. 

Choso pants like a dog, tongue unable to reach past his muzzle no matter how hard he tries. He cries, saliva falling from his tongue, dripping from his muzzle as he presses it into the bars harder and harder, willing it to break apart. It doesn't.

Yuuji hushes him, voice sickly sweet as he tortures his brother. He pulls away slightly to turn over onto his hands and knees, arching to push his cunt back against the enclosure.

“If you can't feel me with your mouth, maybe something else will reach.”

He sways his hips, looking over his shoulder with a sultry gaze.

The alpha scrambles to get up, ungainly. He manages eventually, his struggles making Yuuji giggle. He wastes no time pressing his cage through, bulging cock nestling between his silky labia. The feeling punches the breath from Choso's lungs, sharp pleasure almost too much. He gasps silently, more tears slipping down his cheeks, hips thrusting his length against the slippery softness of Yuuji's pussy.

Yuuji moans, the warm metal of the cage and the soft ridges of Choso's cock a beautiful friction against his sensitive core. His hole twitches whenever it's rubbed against, begging to be filled. He tilts his hips, squealing when the alpha strokes along his hard cocklet just right. 

“Yes!...” he gasps breathlessly, leaning down on his elbows to gain leverage. He rocks back into Choso's thrusts, both of them now loud and needy as they simulate mating.

“You feel so good,” the omega groans, eyes fluttering with bliss. “I wish… I want-” he shudders as another firm pass along his clit makes his hole clench tightly, empty, too empty .

“I want you inside,” Yuuji pleads.

Choso whines brokenly, hips fucking faster against him. He gets noisier, breathless with a constant stream of slurred half-words and pained-pleasured calls.

The omega feels heat building up in his core. He’s tempted to push Choso inside, cage and all. He’s probably slick enough for it…

He bites his lip, and remembers his alternative.

“I wish I could unlock you,” he sighs, toes curling with every thrust against his sex. “I wish I could take you out of the cage… both of them.”

Choso's whines turn staccato, hips a blur, cage slapping against Yuuji's pussy, heavy. 

“P-pleash-” the alpha stutters, struggling to speak as his rut and the sensations overwhelm him. 

“I don't want to disobey you anymore than I have,” Yuuji pants, a small part of him attempting to feel any remorse for how mean he's being. “I don't want to upset you anymore, so I won't.”

“Nn-ngh, n-no, please, ah, uh, y-you, you can d-do it,” Choso forces out, frenzied with need, panicked at the thought of not getting uncaged, of not being allowed to mate the perfect omega in front of him, his sweet little brother. 

“P-please, please, let me- ah! Let me o-ou-” 

“It's okay, Choso,” Yuuji croons, leaning away to reach for his backpack.

The brunette shouts, voice breaking as he tries to snarl, to demand Yuuji to come back. 

The teen shudders hearing him, arousal hot in his belly. 

“I won't break your trust. I have a better idea.”

He scoots back with his prize in hand, ass perked up in front of Choso but far enough away to give the room he needs to do this.

“See? Won't this be easier for us?”

Yuuji slicks the dildo up with the messy, combined wetness of them smeared along his pussy and thighs, before setting it against a bar for stability. 

Choso's growls falter, dying in his throat. His eyes widen, and he looks back at Yuuji with an expression akin to horror, dreading the idea of what the other was going to break him with next.

“No, please, otouto-”

Yuuji teases the head of the dildo against his rim, dragging it up and down. He arches deeper. 

So close to the cage, it looks like his legs are spread for him, waiting for Choso to fuck him. The toy and his cage sit side by side, waiting for attention only the silicone receives. Choso whimpers.

The head sinks in with a pop , Yuuji sighing in pleasure as Choso groans in discontent. He slowly fills himself, walls fluttering and gripping the thick purple toy. A purr builds in his throat, body singing with satisfaction as he pleases it the way it's been begging for.

Choso is less blissful.

He growls low in chest, some of them tapering off into reedy whines as he humps weakly against the cage.

His frustration makes Yuuji tighten, even his tiny pink asshole winking at him teasingly. His cocklet throbs madly, demanding some friction, a tongue, something. 

Yuuji sets a steady pace with the dildo, shivering as his walls are massaged by the slight ridges along it, and reaches to grab his bag again. He rummages around, fingers closing around the small vibrator in its pouch. 

He lets Choso's sounds lull him further into a haze, hips rolling against the dildo propped up on the bar. He closes his eyes, focusing on the easy in and out of that long weight inside his plush channel, tightening at every delicious grind, the soft spots inside prodded mercilessly. His sex feels so good, so sensitive, hot and twitching. His entire body is lit up with tingling pleasure, warmth washing down from the top of his head to the end of his curling toes. 

Yuuji rests his cheek against the floor, bracing his weight with a shoulder as the hand holding the vibrator lowers to his cock. 

He rubs it on his stiff little nub, getting it slick, teasing himself. He flicks it on to the lowest setting, crying out as it thrums against his sensitive core. His hole clenches hard on the dildo, once, twice, before calming. He can barely hear the other's snarls over the roar in his eardrums.

“Choso,” he mewls, hips rocking urgently. The sound of it is loud, louder than the toy in his palm, wet smacks of his ass against the base of the dildo. 

They whimper and whine in harmony, Yuuji high and pleasured, Choso low and frustrated. 

“I'm close,” the omega pants, thumb clicking the vibrator higher. He arches and keens, walls fluttering wildly, clit jumping beneath his circling fingers and the toy. 

“Choso, ah, Choso!”

He cums hard, slick gushing from his rim, pulsing with a vice grip around the dildo. He seats himself to the base, grinding in little circles, squealing at the overwhelming fullness. 

He keeps moaning his brother's name as he comes down, lowering the intensity of his vibrator as his clit risks getting overstimulated. 

“Ah…” he pants, leaning off the cage to slowly flop onto his back, chest heaving. He spreads his legs, playing with the slick wetting his curls, the taut skin of his pussy still held wide around the fake dick.

“That felt so good,” he croons quietly, half-lidded gold staring up at his older brother. The alpha's face is red, sweat pouring down his cheeks, pooling in the hollow of this throat. 

“It feels so good to cum, Choso…”

He whimpers, eyes wide, brow pinches with angry desperation. He stares ravenously at the path of Yuuji's fingers, at the soft way they stroke his clit, part his shiny lips, trail lightly up the shaft of the dildo.

“P-please,” his brother pleads, face pitiful. “Y-yuuji, otouto, please, I can't-”

He starts to weep in earnest, fat tears dripping from his eyes, the blood mark staining his mouth crimson as it leaks along with them.

Yuuji's cunt dribbles.

“I need you, I need you, please,” he groans, body straining against the bars of the enclosure, rattling them as he quakes. “Yuuji!” He gasps urgently, cock cage shaking as he squirms.

Yuuji starts to pant with him, fingers playing with his cocklet, the other slowly pulling dildo out.

“Oh? You want me to unlock you?” 

Choso all but shouts. “Yes! Yes!”

Yuuji bites back a moan as his insatiable sex heats up, already thirsty for more.

He spreads his thighs wider, showing off the way his hole gapes when the head of the toy pops out of its tight clutch.

“But you said I couldn't…. Can I really? Am I allowed to now?” Yuuji teases, voice sweet as he stares up at him through pink lashes, expression ravenous.

“Yes, otouto, I'll do whatever you want, just- please ,” the alpha begs in a watery tone, cherry red lips trembling. His fangs glint in the yellow lighting.

Yuuji swallows hard. 

“Good boy.” He praises softly, shifting onto his knees to reach for Choso's cage. He holds him in one sticky hand, the other searching the side pocket of his backpack without looking. 

He tilts his head back, staring up at his brother with adoring eyes as he finds the key and slides it into the small lock on the cage. He unlocks it, gently pulling the main body off, glancing between the device and Choso's face, eating up every microexpression with gusto.

The man is letting out one long, continuous whine, shoulders hunched over as his cock is freed, dark angry marks left behind from the vertical bars. 

Yuuji tugs on the ring at the base of his cock, movements careful as he slides it off. He moves onto the other ring that loops around his balls as well. They're too swollen to pass through the ring anymore, so he leaves it on with a sigh. Hopefully, by the end of the night they'll be drained enough to slip through with no issue.

The whine cuts off with a low gasp, Choso's eyes fluttering as his member twitches to life, blood flowing so quickly he sees stars. His vision darkens, his entire body trembling, spikes of toomuchtoomuch softening into pure pleasure, his cock throbbing right on the edge of cumming.

He chokes, hips jerking as he gets fully hard in seconds, almost climaxing from the sensation of getting an erection for the first time in days. 

“Oh, Choso,” his evil little brother giggles, blowing teasingly along his aching length. “You won't get to fuck me if you can't control yourself, acting like a knothead.” 

He gives a light slap to his cock, watching it bob with blown pupils.

“Ah!” Choso cries, curling into himself as fiery pain-pleasure dances on his sensitive dick, lancing and twisting straight into his gut.

More tears drip from his chin, vision blurred.

“I- I'll be good,” he sobs, trying to appease his omega. The seals have weakened over several days use but still dampen his control of his cursed technique greatly, not to mention the cloudy haze the rut keeps his mind in, but he tries. For Yuuji. He slows the flow of blood to his erection and sack as much as he can manage, willing himself to last a little longer. Just a little longer…

“Yeah? You’ll be good for me?”

Yuuji lays back, hips tilting up so that Choso’s cock just barely reaches his hole if he aims it down. The alpha keens and humps, swollen tip slipping erratically against his rim.

Choso slurs promises and pleads, blood dripping from the bridge of his nose onto his length, smearing on Yuuji’s pussy when it reaches his lips.

“What a good alpha,” the omega pants lowly, pulling away to turn onto his knees. He presents, face resting on the rug as he perks his ass high into the air.

The man snarls , the cage bars groaning when he shoves against them with enough force to strain the metal.

Yuuji scoots back, leaning close enough to feel the throbbing head prod his entrance, pre-cum and slick mixing. The teen sways his hips, enticing the other while refusing to lower himself down onto his cock right away.

The growls get louder, the alpha demanding his reward, demanding some relief, and the omega finally decides to be a little nicer for the first time tonight. He steadies himself, reaches back to align the cock to his rim, and starts to sink down.

Choso shakes so hard it’s a feat on its own that they manage to fit the tip inside, all his self control put to the test as he barely holds on to not start thrusting away like an animal. Yuuji slides down another inch, squeezing the thick erection stretching him. Choso loses his will for a moment or two, arching into the feeling, groaning as he presses as far as possible against the bars. He can’t get deeper like this, which just frustrates him further; Yuuji controls the depth, the pace at which he’s taking him in. It’s torture.

“Ah, ah,” the teen tsks, “no moving before I'm ready.” 

He punishes the alpha for being unruly, pulling off the few inches that he'd managed to take before Choso began moving. 

The alpha whines like a pup, begging him to have a little mercy.

Yuuji sighs as if put upon, letting him blubber for a moment longer with a hidden grin, before easing onto the thick head, shivering as it pops back inside. 

He inches his way down even slower than before, Choso groaning and whimpering like he's being gutted instead of sliding his cock inside of someone for the first time.

By the time he bottoms out inside the omega, his muscles are trembling like leaves.

Yuuji moans softly, head hanging between his shoulders as he pulses around that girthy cock. 

He's definitely bigger than the dildo.

He grinds down in slow circles, his taxed rim twitching at the stretch. It feels so fucking good, his clit throbbing at the sensation, wetness dripping down to Choso's balls.

He sets an unhurried pace, dragging his hips all the way to the tip, teasing himself as his pussy clenches around it, walls empty and desperate. He ignores Choso's cries as he slides back down easy, not increasing his pace until he wants to. 

He gradually picks up the tempo, mewling as he feels the head prod his cervix. Choso's cock is throbbing like crazy, his cunt responding in kind with steady squeezes, caressing him in its silky walls. He can hear him panting and huffing like a bull behind him, jerking his hips just slightly, not daring to pull back and leave himself outside of that glorious tight heat.

They reach a decent pace, satisfying for Yuuji and overwhelming for Choso, gentle wet smacks of their hips filling the room. Their calls raise in pitch, Yuuji reaching down to rub his cock while he feels Choso's balls tapping at his lips, almost sticking to them with how wet they are. They're so heavy it's like a light spank, making him arch and gasp as they make contact. He feels them tighten against him, and Choso makes a sharp, desperate sound. 

Yuuji pulls off quickly.

“ No!”

Choso snarls and weeps, hips thrusting madly against the air. 

“I want to- I'm close- please, PLEASE!”

His sobbing is so pathetic and frantic Yuuji feels a little bad, but it's overshadowed by how hard his cock jumps between his legs and his pussy clenches around the phantom ache of him.

“It's okay,” he coos, softening his scent to soothe the distraught alpha. “You'll get to come. After you make me come again.”

Choso chokes and blinks at him through tears. “I- I can't, I won't last. Omega-”

Yuuji's heart flutters.

“-please, I can't, I can't.”

His ruddy wet face makes Yuuji rub his thighs together. He hums.

“Alright.”

Choso perks up. 

“I'll help you out.”

He knows he’s being unreasonably mean at this point, but the excitement that lights up his nerves drives him forward out of the room. Yuuji wobbles a little when he does, forcing himself to turn a deaf ear to the pitiful whimpers and souring of that coppery scent when he steps out.

His room is thankfully not far, and it takes him moments to drag his box of toys out from under his bed and find what he needs. With it in hand, he stands and scampers back to the den. 

The familiar rush of rut pheromones settle over him like a blanket, a trail of slick winding down his leg as his mind fuzzes at the edges. 

Choso perks up at his return, purring and nuzzling the bars even though his muzzle must make it uncomfortable.

It makes just a small blip of guilt burn in his chest. It’s gone quickly.

He kneels in front of the alpha, hardwood biting his knees where they hang over the rug.

“It’s okay, I’m back,” he tells him, aiming for a comforting tone. “I just need you to be good for me a little longer. This will help.”

Yuuji wraps a gentle hand around his member, thighs tensing when he feels the hot pulse of it against his palm.

The silicone cock ring in his other hand feels heavy. His mouth fills with drool.

He’d bought it on a whim after stumbling across some edging porn, but hasnt gotten to use it on anyone. He did not think in a million years that the first person he would use it with would be his brother.

Hmm.. thinking back, he probably should have realized back then that he had a strong orgasm denial kink.

“Omega…” Choso whimpers, trembling. He’s trying so hard not to move.

Yuuji blinks, shaking him out of his train of thought.

“I’m gonna put something on to help you control your needy little cock, okay?” He breathes, slipping it on. It digs in a bit at the swollen base. “It won’t stop you from cumming, so you still have to try really,” he kisses his hip bone, trailing down with every word, “really, really hard to be good for me.” He finishes with his lips right next to his length, feeling it twitch against his cheek.

His clit is so hard.

He pulls away and unfolds his legs.

“I promise you'll get to cum. Just do your best for me.”

Yuuji gets comfortable on the rug, wriggling into place with a pillow beneath his hips before spreading his legs again.

 He trails his fingers along his lips, smearing slick along his fingers, pulling his puffy, dark pink lips apart to show his alpha before lubing his cocklet with it. He grabs his toy with the other hand, turning on to its first level before circling it around the hard nub. His eyes flutter, and he quickly turns it up a notch. He breathes a little faster at the strong thrum, rocking his hips slowly. He feels the coil winding, a gradual ascent to the edge. He moans quietly, head tilting back on the floor as his eyes shut. His cock twitches, loving the attention of the toy. Yuuji plays with the edges of his rim, dipping a fingertip in and teasing himself with a shadow of what Choso's length had felt like inside him. 

A whimpering sob reaches his ears, and he feels the coil twist. He flicks the vibrator up a level, gasping and crying out as his clit throbs excitedly. His heart thumps hard in his chest. He can feel more wetness gush around his finger, the tightness in his belly increasing rapidly. Fuck , he's close. 

He pulls his finger out, letting his juices trickle down between his cheeks. He shivers, the urge to stuff his other rim very tempting, but he ignores it to delicately hold Choso's weeping erection and guide it to his empty cunt. With his hips elevated, most of him is able to sink in, but a few inches are left cold and lonely outside of the warm grip of his pussy.

Choso wails as he swallows him up at once, hips bucking against the bars as though he could get himself deeper.

Yuuji squeals, walls convulsing around the thick stretch. He's so fucking wet he can barely keep the toy in place, the pleasure building and building until it snaps.

Yuuji screams , pussy clamping down hard enough to keep his cock in place as he falls apart around him. He can't hear Choso over the bloodrush in his head, blinding bliss shaking through his body. Everything goes numb and sensitive at the same time, but he keeps the toy against himself with a trembling hand. His senses come back to him, eyes opening sluggishly to see the alpha above him. 

Choso looks feral through the bars, eyes wild, bucking and snarling as he attempts to fuck him through the cage.

He knows he has to be hanging on by a thread- he's honestly surprised he lasted this long at all. The feeling of Yuuji cumming around him without getting to do the same must be pure torture, but it just makes Yuuji hotter, the band in his gut still wound tight despite just climaxing. He pants so fast he's dizzy, vision slightly blurred as he watches Choso's desperate face, his brow furrowed and mouth twisted into a threatening grimace. 

He must be close. 

Yuuji turns the vibrator up a level, the highest, clit spasming. He arches and yowls, pussy squeezing like mad.

Choso shouts, voice giving out as his eyes roll back. The teen shudders, feeling deranged as he thinks about how cruel he's been to Choso, how good it feels to make himself cum over and over again while denying him the same release, how evil it would be of him to do it again when he's clearly so close to-

Yuuji cums again, hard enough he feels a faint twinge in his abdomen as slick sprays from him all over Choso's belly. He sobs and moans and pulls himself off Choso's cock, stuffing his fingers inside himself and almost screaming when another wave hits him right as Choso roars, eyes wide before clenching shut, face pained, cock an angry dark purple.

It jumps wildly, livid at its robbed orgasm. His balls are tight and strained, sack overburdened. They clench hard at his base, in denial that they won't get to empty quite yet when he was so fucking close.

“ Yuuji,” he growls, eyes sad and pleading despite the feral edge in his tone. 

“ Yuuji , otouto,” he bites at the bars in his frustration, rumbles and deep groans quickly flipping into begging whines. “P-please, please, omega, you promised.” Accusatory tears fillhis eyes for the umpteenth time that night.

Legs still quaking like a newborn fawn, Yuuji fumbles to his knees, breaths almost steady. “Oh,” he gasps, leaning against the bars, “I'm sorry, alpha. That was mean.” 

He bites his lip, trying to feel as remorseful as he sounds. “I'll let you cum. Seriously, this time. You've been very good for me.” 

Choso's breathing is staggered, chest heaving, but it slows gradually as he settles. His frame is wracked with the occasional tremor, but he perks up when he hears the sincerity in Yuuji's claim.

“I just want you to be closer when you knot me for the first time.” Yuuji ignores the eager bob of the alpha's cock when he says that, swallowing a snicker. “Can I let you out of the cage for that?”

Choso agrees immediately, delirious with need.

Yuuji wobbles over to his backpack, hands so unsteady he drops the key to the main cage twice before reaffirming his grip and making his way to the lock.

Choso looks like an eager puppy on the other side, eyes wide and unblinking as they stare at the omega, blood mark bubbling above his nose. As soon as the door swings open, he tries to hop closer. The movement makes his cock flop against his hip in a way that has Yuuji covering his mouth to resist laughing at him. 

He takes a moment to compose himself before letting out small giggles.

“C'mere,” Yuuji laughs quietly, waving Choso over while he waddles on his knees. 

“I'll help you take them off.” 

He undoes the binds around his hips and thighs, pulling the waistband past his rear before coaxing him to sit. He undoes the restraints on his calves and slides the pants the rest of the way down. This frees his legs completely, but his arms are still restrained against his chest. Yuuji leaves those binds, and the muzzle, in place; he's not that far gone to let an almost feral alpha go at him. 

The seals on his torso should be enough to keep his strength at bay, anyhow.

He steps back as Choso makes his way out of the enclosure, going at a measured pace to accomodate for soreness in unstretched muscles. 

Yuuji swiftly grabs a thick clean blanket on a basket nearby, ones Yuki had left so that Choso could have fresh bedclothes when his rut was over. 

He lays it on the rug and settles on top of it.

Right as Choso steps out of the cage, Yuuji parts his legs for him, pillow back underneath his hips for the best angle. He crooks a finger to coax Choso over, a sly grin on his face as he coos, “What are you waiting for all the way over there?”

Yuuji tries not to laugh too much when he immediately falls to his knees and starts to crawl to the omega, doing his best not to topple over while angling himself against Yuuji's cunt.

The teen nibbles his lip, enjoying his show of desire. The heat in his core has never truly left, despite the numerous orgasms, though they helped clear his mind a bit. It's growing, bit by bit, the need tightening in his gut, making him shiver and spread himself wider.

He takes pity when the alpha misses his entrance three times, grunting as he attempts to penetrate with little leverage. Yuuji brings a hand down and presses the head towards his hole, pushing so that he plunges straight past the twitching rim. 

Twin moans echo in the empty room, the quiet squish of their bodies lewd in their burning ears.

Yuuji tugs Choso down by the shoulders so they're flush against each other, tucking his face into the crook of his neck. He breathes in his scent, the salty sweat beading along his skin, the iron tang from the blood dripping down his jaw, and cries out as he thrusts sharply, almost balls deep. 

The man wastes no second of his newfound freedom, starting a rough pace, thighs, belly, and swinging sack soaked with Yuuji's slick and cum. 

“Oh!” The pinkette gasps and clings to his broad back, nails digging in as the onslaught of pleasure threatens to overwhelm him. He mewls, mind melting as the alpha pounds him into the floor, excited huffs and whines vibrating his cheek. The muzzle ruffles his hair as the other attempts to nuzzle him, to scent his new mate. Wetness pours out from between them, the slick slapping of their hips loud and erotic. 

“S-so good!” Choso groans, finally enjoying the sweet, tight pussy he's been teased with endlessly, unimpeded. He takes and takes with gusto, a dazed grin spreading across his face as he drools onto pink locks.

“Ungh, you ffeel ssoo good,” he slurs, eyes rolling back as shivers spread all along his body, cock throbbing rapidly as he rocks into his mate. His balls ache fiercely, a pain tinged ecstasy as they start to draw up in preparation. 

The base of his dick feels almost raw, swollen and sensitive as his knot prepares to grow. His mind is overrun with the need to breed, his instincts urging him to fuck harder into the soft walls hugging his cock so tightly, to press as deeply into his partner as possible. He can feel the engorged head bumping against the omega's cervix with each thrust home, heart rate spiking in excitement as he thinks about impregnating his partner. His dear baby brother, his perfect omega, his beloved mate-

“‘M gonna cum,” he pants, eyes unseeing as he jackhammers into the pliant body beneath him. “‘M gonna- ‘m gonna knot you-”

“Yes!” 

Yuuji curls his legs around Choso's waist, pussy clenching tight in agreement, begging for a thick knot to stretch him wide, to pump a fertile load straight into his waiting womb. 

“I want it! Please, please!”

Yuuji whines and claws harder at his back. It's so damn hot, the room stuffy with their panted breaths, the stench of sex thick in the air. Sweat is sticky between them, the friction of their grinds and thrusts building heat until Yuuji feels almost sick with fever, skin burning. 

“I wanna cum!” Choso moans above his head, strained sack taut at the base of his cock. Everything is pulsing incessantly, his lower half one giant nerve, shocks of pleasure running down his spine with every squeeze of velvety walls around his sensitive length. 

“Please, omega!”

He feels fit to burst, his fangs aching, gut wound tight, arousal driving him mad. He wants to cum, so, so, so badly. He wants to knot , to breed . That's the only desire running through his head, a need to orgasm, to finally release his pent up frustration, to get some relief from this unbearable rut. 

Yuuji can't respond, senses hazy, vision muddled with pleasured tears. They feel cool as they slide down his heated cheeks, ears ringing with his own high pitched keens. 

He tries to think, to hold onto a complete thought, but they slip through his grasp like water. His mind is fraying, incomplete, the only goal coming through the overwhelming urge to lay back and let his brother knot him. To be used, to be bred, to satisfy him, to live only as a cumdump. 

He gasps and tightens as he thinks it, body beyond pleased to be mated and knocked up for the rest of his life. He clamps down on the lithe waist between his thighs, knees digging into his ribs. As if the desperate body between his legs would even think about moving away before filling him up with everything his overworked sex had to offer. 

A small, panicked thought floats in, there and then quickly drowned out. He barely manages to process it before it's already lost:

Oh. Shit. I'm in heat. Shit!

“ Ahh!”

A deafening wail sounds right next to his face, jerking him from his messy train of thought. The begging had been getting louder, not that he had noticed until now.

Choso was beyond desperate, so close he could almost taste the sweet release of an orgasm on his tongue. His noises were pouring out uncontrollably, throat raw as he practically screamed, “I want to cum! Please, please let me cum! Please, omega! I need to! I need it, please, PLEASE!”

The beginnings of a knot bump against puffy lips, his taut hole burning as it catches on the very edge. Yuuji squirms as Choso thrusts harder, tip battering his cervix as he tries to push that final inch inside his channel. A stinging pleasure accompanies each pointed stroke, the softened divot of his womb's entrance aching. 

“I can't!” 

Yuuji gasps, suddenly feeling much too small to fit the wide girth of that fat knot inside him. The alpha was already at the end of his cunt; more simply wouldn't fit. He wasn't deep enough in his heat to take it. He felt like he was being broken apart, body sliding up the rug slightly as the other increased his punishing pace.

“You- you have to!” Choso whines, sounding pitiful as he rams their hips together, determined to push past the resistance of his cervix. 

The fear sobers Yuuji a little. He whimpers and wriggles beneath the alpha, trying to straighten out his spinning thoughts.

He almost wants to laugh at himself.

What irony. He had enjoyed the feeling of power, of having some kind of hold over Choso, so much. It was such a turn on for him, getting to tease and deny this big, strong alpha as much as he wanted. He was still aroused, sopping wet between his thighs, and his pussy was thoroughly enjoying the bruising pounding it was getting, despite the pressure threatening to invade his womb. 

All of that power tripping, delighting in the heady control over his alpha's pleasure, and now he was crying out and begging that same alpha for mercy. Sobbing over a knot there's no way he could take.

Is this my karma for being so cruel to Choso?

He reflects hysterically.

A low, amused voice rings in his mind.

No, brat. This is cosmic punishment for having sex with your own brother. Idiot.

Yuuji's brow furrows, nose wrinkling as his head throbs trying to place that aggravatingly smug voice.

Yuuji arches with a screech, ripped from his wandering thoughts as he feels something inside start to give. There's a burning, white hot ache that hurts as much as it makes his core sing, tingles running all along his walls. His cunt spasms in confusion, close to cumming but unsure if it can handle the overwhelming, unfamiliar sensations. 

“Choso! Please!” 

Yuuji tears at his back, trying to push him away by the shoulders. He feels weak with heat, body trembling, doing its best to take what his mate was giving him. He felt torn by his instincts to breed and his quickly deteriorating sense of self preservation. 

The half swollen knot slips past his rim, cocktip bullying its way just barely past his cervix. 

Yuuji howls as he climaxes, body clenching and hurting and breaking apart in fragments as Choso grinds into him, determined to push past the meager fight both of his entrances are putting up.

It's too much, way too much , his entire being on fire as he's pulled apart. Electricity claws through his veins, making him jolt and writhe on the floor, legs kicking and arms gripping helplessly at Choso's binds. 

He croaks and cries and sobs, voice breaking as he attempts to just hold on, the most confusing orgasm of his life wracking his body. 

The pinkette pants as the aftershocks run along his limbs, cold shivers lighting up his spine down to his toes. One hand refuses to unclench from the other man's back, and he wrenches it away without thinking. 

There's a strange pulse in the air. 

The hair at his nape stands on end. He blinks down at the torn seal in his hand. Then at the restraints that fall away like tissue paper, slashed to bits by thin strands of Slicing Exorcism.

“Oh fuck.”

Chapter Text

Choso is losing his fucking mind . 

This first rut has been… difficult, to say the least. 

But he had managed. He had kept his head planted firmly on his shoulders, planned meticulously, fought tooth and nail to resist the strange and new and overwhelmingly intense waves of instinct and base desires, and kept some semblance of self control.  

Then his darling little brother came to visit him after days of drought, tempting him with the most refreshing, thirst-quenching, irresistible oasis, dangled it right in front of his nose, and decided to deny him it. Repeatedly.

To say he was frustrated would be putting it extremely lightly.

It was like all the fantasies that had polluted his mind, both before and during this damned rut, were coming to life in front of his eyes. It should have been a dream come true, and in most ways it was, but the repeated edging, the cruel denial- it felt like his mind was breaking. His dirty fantasies always included relief, more pleasure than he could handle, a well of unending bliss found in the beautiful body of his otouto.

Luckily for him, his dear brother had freed him from every last piece of bondage he was in, and now…

Now, he could really focus on fitting as much of his pent-up cock inside of said little brother as he could, and finally get to pop his knot. Finally get to cum.

The only issue at the moment was that his tiny, struggling pussy was just a little too small to accomodate him, despite the heady heat scent of his pheromones. From what he was told, omegas’ heats softened and lengthened their canals, helping them accept an alpha’s full length and knot. It should have been a fairly easy fit. Maybe Yuuji wasn’t far enough into his heat yet? It would make sense. Though the alpha had only smelled it once before, on a civilian, he recognized that the omega had only smelled of pre-heat when he took his scent patch off. He wondered how much longer it might take until the teen’s body was ready. His swollen balls throbbed dully.

Oh, well.

Choso would make it fit.

He vaguely hears Yuuji curse as the use of his arms come back to him. Choso moves like hasn't had them bound for days, hands shooting down to grip that slim waist.

He hauls Yuuji into his thrusts, moving like an animal with a single-minded drive. His cockhead steadily makes leeway into the vice tight entrance to the omega's womb, sharp pleasure striking down his spine. It squeezes him unforgivingly, almost too much against his bruised tip. Plush walls milk him soothingly, his half-blown knot just about past the fluttering rim of his cunt. 

Dark brown eyes roll back, head tilting to bare his throat as he groans. Choso can feel drool dripping from the corners of his mouth in sloppy strings, mouth filled to the brim with saliva. His canines throb.

He can hear Yuuji warbling underneath him, crackling sobs and pleas falling on deaf ears. The pulsing between his thighs is unbearable, groin tight with soreness by this point. He's thrusting on instinct, hands bruising on Yuuji’s body. The freedom to hold him, to make sure he stays in place for his mating makes his alpha rumble in satisfaction. 

Choso’s head falls forward, nape tingling with pleasure. His ears feel so hot with his blush, skin slick from fever.

He blinks, vision blurred from a moment before mostly clearing. The alpha stares down at Yuuji without really seeing, mind consumed by the drive to breed breed knot breed cum knot breed BREED-

Reedy whines vibrate in his throat, flipping into gravelly rumbles in his chest. Both ask for the same thing, a plea to mate, a demand to breed. His mind feels like it's melting , everything is so hot.

He feels his cock throbbing like a sore spot, blood-heavy and more than ready to burst. His balls churn, tensing and relaxing, eager to empty directly into the omega's ripe womb. The idea makes him tremble, fingers tightening as he moans breathlessly. 

The man can feel his jaw moving, growls and half-baked promises spilling from his thick tongue. He can’t even begin to parse whatever the hell he’s saying, but he knows they make Yuuji’s scent spike with arousal.

Slick gushes around his swollen cock, the narrow divot he’s battering giving just a bit more. The tip is almost all the way through the ring of muscle. Almost, almost.

His heart is pounding as hard as his hips, blood, sweat, and tears dripping from his cheeks. He can taste it when he licks his lips, fangs itchy. 

Choso rips the muzzle off with one hand, leather straps tearing.

His length sinks in to the root.

Choso freezes, back arching with a silent scream, eyes rolling back in bliss. His knot plumps up as it slides inside, hugged by a wet rim. His cockhead is being massaged like crazy, spitting pre-cum as it's kissed by the fleshy hot walls of Yuuji's womb. 

He thinks he could die happy like this, buried deep in his beloved otouto, milked by his sweet, sopping pussy. 

The ringing in his ears bursts and clears, and the wailing from below registers with a slam.

“-pha! Please! I can't! I-! Ah! Fuck-! ”

He blinks away the blurriness in his vision, breaths shallow as he shudders through the tightening coil of heated pleasure low in his belly. 

He stares down at his mate, the wetness glittering across his ruddy cheeks, his desperate expression.

“You’re perfect,” he groans.

Fuck, he needs to cum. He needs to cum.

Choso drags his hips back.

Yuuji squeals and thrashes, scratching gouges into his forearms, his chest, as his cockhead tugs against his cervix. He had not even registered the several scratches and bruises the teen had scattered along his body already while struggling to take his full length. 

“Ohhh,” the alpha moans helplessly, lowering his chest flush to his omega’s, arms wrapping around to keep him still. He fights the tight clutch, pulling away stubbornly until the head pops free. Yuuji jumps and sobs beneath him, then shrieks when he slides back inside with a quick snap.

“Yes!” Choso slurs, mouth twisted in a pleasured snarl against the pinkette’s shoulder. His canines scrape his skin, light marks left behind. 

He ignores the cries of his overwhelmed mate, rocking back and forth, forcing his fat cockhead in and out. 

Yuuji’s loosened entrance feels slightly numb, the nerves battered to hell by Choso’s rough treatment. He can only lay there and take it, tears and snot and drool smeared on his face. He feels small and pathetic, humiliation burning his chest. His pussy still weeps for more.

“‘mega, I’m gonna knot you,” the man promises mindlessly, his saliva wetting Yuuji’s cheeks further as he leans close to him. He nuzzles him, sweet, a stark contrast to the filthy squelch of their bodies. Choso pants open mouthed, lips pressed to a pinkened cheekbone. 

His sack is stretched taut, drawing up eagerly. The ache at the base of his cock swells, knot growing until the steady movement of his hips becomes erratic from the tight fit. 

“Mmm, c-close,” he breathes.

His skin prickles with excitement, vision narrowing and widening, lightheaded.

He digs his face into Yuuji’s shoulder and tries to center himself. The world keeps spinning. He can just barely focus on the staccato smack of their wet flesh, so sharp to his delicate eardrums. 

He starts to nibble, teeth digging into thick muscle. He growls around his mouthful, eyes rolling back. His sense of self is slipping, the floor sliding out from beneath him, sight gone. 

He feels like he’s floating, tethered only by his gnawing jaw and the twin vice grips on his swollen, raw cock.

The alpha has been on edge for so long, so close to cumming just to be teased and denied over and over that now his body can’t even tell when he’s really about to orgasm.

His brain feels fried. The room tilts and implodes and expands rapidly, too much to keep track of, and he whimpers in distress despite the intense ecstasy.

It all goes from overstimulating, mind-breaking sensation, to a clear and quick build up.

He’s suddenly on a rollercoaster at breakneck speed, ascending to an incomprehensible peak. He whines, muffled, eyes firmly shut. His lower body twitches and throbs in unison, orgasm soul-deep when it slams into him and he breaks apart into a million pieces.

His teeth sink in to the hilt along with his cock, knot popping and fattening to its full size. It’s not quite painful when his balls empty, but a close thing. His cockhead swells as he shoots directly into Yuuji’s womb, cervix suckling around him, walls kneading every last drop out, prolonging his climax. The world closes off, softness blanketing his nerves. He can feel the vibrations of his sounds behind his clenched teeth, but can’t hear a single thing.

He floats there for a while, brain bathed in white. It's blinding, searing, his being only able to feel a senseless ecstasy.  The alpha has no idea how long he stays there. It could have been seconds or years for all he can tell. He very slowly comes back to himself, like he's being woken from the softest of dreams. 

He settles back into his body, trembling like a leaf as he edges into overstimulation, the waves of his orgasm still going strong. 

Each one makes his back arch, muscles tensing and relaxing. The sweet cunt wrapped around him is still massaging him, perfect and snug. Choso rocks his hips, length still spurting deep inside. It stings a bit, the force of his hot cum bursting out through his puffy sensitive cockslit.

Everything is so tight and hot inside it's too much, throat aching with the force of his whimpers as he winces through each spasm around him. The friction is a lot on his overworked dick, Yuuji's slick a welcome balm as it coats him with every clench. He realizes his omega has come undone, again, the sweet notes of his latest climax lingering in the air. 

Choso lets out a satisfied purr, relaxing his jaw and pulling away to lick at the deep bite mark. He moans quietly at the taste of his brother's blood. It's delicious. Perfect.

His senses slowly come back online, and he sees that they are now laying on their sides, still tied. He cannot remember moving.

He scents Yuuji, rubbing their cheeks together and licking him all over. The salt of his tears and iron of his blood are an addicting combination. 

Yuuji's eyes are closed, and he seems to have fallen unconscious, though his face begins to twitch as Choso continues his bath.

He takes his time, laving his tongue across every inch of skin available to him. It’s soft and smooth, unmarked save for a splatter from Choso’s bloodmark.

Hm, he ponders. Did it burst a bit when I orgasmed?

The brunette makes sure to fix the otherwise unscathed stretch of skin, leaving trails of saliva and gentle bites all along his shoulders, his neck. Humming at the mix of his and Yuuji’s blood, he thinks the copper notes are sweeter than sugar in his mouth. 

He had missed the tender scent gland when he bit down earlier, and can’t resist a little nibble when the dizzying scent of citrus blooms beneath his nose.

By the time Yuuji’s eyes are blinking open, small sounds of confusion bubbling out, the alpha's knot has started to soften. 

The oversensitivity has worn off, too, and Choso is not satisfied. 

He coos and rumbles, nosing his omega's jaw as he holds him close and starts gently rocking his hips.

Yuuji gasps, entire body tightening as he wakes up fully, eyes wide.

“Nngh-! N-no, Choso-!” 

He reaches out and fists the blankets, propping himself on an elbow as he starts trying to crawl away.

He gets about 3 inches of coverage before collapsing when Choso reels him back. 

The alpha rolls them over, Yuuji laying on his back again. 

“Shh,” the man comforts him, cock pulsing needily inside. “You can take it. You're such a good omega for me, aren't you?”

Fresh arousal blossoms in the air, mouth-watering. Choso croons, approving, and fucks into his sloppy pussy a little faster.

“I- I- oh, ah!” Yuuji stutters and arches as the slap of their hips picks up again, walls twitching tiredly as it attempts to keep up. His heat has barely started, and was still sated from their recent knotting. His body trembles as it tries to keep up.

“Choso,” he whines, hands flying to his biceps, nails prickling. It’s all he can do when his limbs feel like noodles, and his brother is as immovable as a steel wall.

Normally I could bend steel though, he thinks hazily. What the fuck do rut pheromones do to you?? He’s not giving a fucking inch!

I think he’s giving you a lot of inches right now, actually. Why is a bitch like you complaining?

Yuuji grits his teeth and sacrifices the mind power to hold back a wheezy, pathetic mewl in favor of using it to smother the annoying curse inside him with all he can muster.

“I- I need a break, please-”

Choso hums and doesn't pause, enjoying the wet glide of their bodies. He leans back, out of range for Yuuji's hold, and trails his fingertips up trembling thighs.

“You'll be okay, otouto.” He promises, voice low and raspy. “You're sturdy. Be a good omega, okay? Just lay there and take it for your alpha. I deserve to feel good now, too.”

He doesn't give Yuuji a chance to do more than blush and shiver before gripping behind his knees and starting a brutal pace. 

His balls clap wetly against his cheeks, half swollen knot throbbing as it teases the loosened rim of the omega's pussy. 

Yuuji cries out, tightening around him. He's beginning to ache again, twinges of pain making him whimper. He's still sore, but his underlying heat helps dull the pain, and he slowly feels pleasure warm his belly. The soft blanket underneath them fills his clenching fists, a desperate handhold in the onslaught of his brother’s desire.

Choso is still going too fast and rough for him not to wince and moan in complaint, squirming as he tries to be good and take it like he was asked, focusing on the tendrils of arousal he can feel. Despite having his mind mostly cleared, he doesn’t want to leave at all. He wants to be good for his brother, his- his alpha.

What a sweet little broodmare. The deep voice mocks him. Not that you could leave if you wanted to, weakling.

Yuuji closes his eyes, a vein throbbing in his temple as he shoves Sukuna down again. Fuck, he was losing his grip on him. He hasn’t been able to ever take over during a heat before, and he doubts he could now (even at this moment he can feel the indomitable flare of his soul, will refusing to budge against the curse’s), but clearly keeping their thoughts separated is a harder task right now than it has ever been before.

He bites his lip and shudders, reaching up to loop his arms around the alpha's neck.

“Kiss me,” he asks, trying to distract himself from both Sukuna and the sparks of toomuch that shake his core at each frenzied thrust.

Choso blinks down at him, eyes blown with lust but much less hazy than before. He leans down eagerly, their lips flush and noses bumping until they tilt their heads to slot just right.

Yuuji hums and leads the other man, the brunette moving against him in juxtaposition; he kisses like he's experienced, but a bit stilted, as though he hasn't done it before. It would make complete sense considering he probably hasn't, but the moments where his lips join with confidence are confusing. The teen wonders if it may just be muscle memory from his body, and then doesn’t wonder much more as he gets distracted by Choso getting the hang of things quite quickly. 

Their lips slide together easily, warm and wet, tongues licking at seams, begging to play. They open their mouths for each other, mapping out every soft spot, every wet crevice, lapping at each other's teeth and lips. 

Yuuji relaxes into their motions, pleased mewls filling the air. It diverts him from the insistent, throbbing ache below, and helps him become more wet and pliant to tolerate Choso's unerring pace. 

Just when Yuuji can feel his arousal setting into place, clit rousing and pussy fluttering, the uncomfortable press on his cervix makes him jolt and whine. 

“Choso,” he gasps, pulling away from their kiss. The alpha rumbles and nudges his cheek with his nose, sweetly goading him into another kiss, contrasting the unyielding rut of his hips. 

The omega whines louder, turning away, teeth grit. The tension on his narrow entrance is unbearable, the ring of muscle still sore from the first round. 

“Please, alpha,” he begs, hands flying up to push against broad shoulders. “I need a break, please, I can't-” 

His breath hitches when Choso sits up, readjusting his grip on Yuuji's legs. He bends his knees a bit higher, the angle letting him slide just that much deeper. He fucks into him, cockhead battering against his cervix.

Yuuji sobs and arches, hands snapping down to Choso's knees just to hold on to something.

“Wait! Please, Choso, I can't take it again, it's too much, please- ”

“Yes, you can take it otouto,” he pants, eyes fixed on his teary face. “I know you can- oh, fuck , you feel so good, omega,” he moans, tattoo dripping along his cheeks. He arches, nudging against firm pressure that makes sure the last inch or two at the very base of his cock right where his knot sits remains outside. He grinds against that narrow space, savoring the wet clutch of Yuuji's insides.

“Mmm,” he sighs, eyes blinking open. He hadn't even realized he shut them in his bliss. 

He gazes at his brother, watching his desperate, overwhelmed sobbing, the wet tracks on his cheeks, the ruddiness of his face.

He wants to lick his tears. 

“You look so good like this.”

Yuuji just keeps crying, pleasure and pain mixing confusingly in his body, hands still gripping Choso's legs.

The dizziness of his rut is overtaking him again, the small trickle of it returning sneaking up on him. He hadn’t really noticed, until now, that it was expanding into a wave. His pulse races.

His eyes drag down Yuuji's body, pupils fattening, scent spiking with arousal as he admires the way it gleams with sweat. 

The toned muscle of his chest, softened with fat. His nipples are a dusky pink, perky and waiting for attention. Drool slips from his panting mouth, splattering on top of those supple tits. 

He wants to suck on them.

He swallows and moans at the sight of that tiny waist, the small bulge he can see moving in his tummy with every snap of his hips. 

He wants to see it swell with his pup.

“ Fuck , Yuuji, omega , so good for me-”

His omega smells so good, so sweet, is taking him in so well. 

Dark brown eyes slide to the place where their bodies meet. It’s wet and sticky, gushing with their milky fluids and matting the cute pink curls at Yuuji's groin. His thighs shine with it, flushed red from friction.

The omega’s puffy pussy is stretched taut around his cock, his swollen clit dark with blood, twitching needily. 

Choso’s length flies in and out of his clenching hole, veins throbbing, stark against the red-purple of it. He moans as his sack kisses his rear with every swing, still heavy. 

The tip of his cock starts to sink past his cervix. 

Yuuji shrieks, hips jerking, hands slamming down to push himself up while Choso cries out with bliss. The omega tries to pull away even as his pussy sucks him deep, greedy.

“Please, I can’t-!”

Choso keeps his grip snug around his knees, using it to drag him back into the cradle of his lap. He pins them flush against the teen's chest and leans down, weight holding him in place.

“It's okay, love,” he croons deliriously, voice pleasure-tinged, cock almost fully sheathed. 

“Your alpha’s gonna make you feel good.”

He pauses to sit up higher on his knees, hooking his brother’s calves over his shoulders in a mating press. This lifts his hips off the floor, so Choso slides the pillow under him for cushion. When he's settled, he sinks back inside. 

Yuuji flinches and croaks, “too deep,” sniffing weakly. 

The brunette just leans down, caging him in, and kisses his cheek, sweet as sin. 

A grin twitches across his mouth when he starts fucking him again, a little softer than before, but strong enough to make his mate arch and squeal. His instincts, foreign to him but becoming more and more comfortable to wear, flare with pride in his chest. Fresh tears run down Yuuji’s face, and Choso kisses them off, licking his lips. 

He groans at the taste, mind overwhelmed. He can only think about Yuuji, the sound of his mind breaking along with his brother, the feeling of his soft, tight body, the perfume of his building heat, the salt on his tongue. 

“Alpha!”

The man rumbles in answer, nuzzling his jaw, smile pulling wider. It's a little deranged, fangs bared, blood smearing down his nose and lips. 

He can't take his eyes off his splotchy pink face. His brows are upturned so cutely, nose pinching and eyes squinting with pleasure. His breaths squeak out of him, moans wheezed while folded up. 

The alpha shivers with overwhelming arousal, orgasm so close, nerves alight with it. His body is tense, jaw lax as he keens, hips speeding up. His swollen cockhead finally pushes through, that tight ring squeezing and relaxing. Plush walls hug his knot when it follows suit, cock swallowed to the base. 

Choso's vision blurs, missing the silent scream that stretches Yuuji's mouth. He sinks his teeth into a toned shoulder, the opposite one as before, growling. He's so close now, so so so close.

A fractured squeal rings in his ears, the body beneath him squirming desperately. His tip pops in and out of his womb in tandem with his growing knot. Both his entrances feel so fucking good around him, so incredibly tight. Choso snarls and presses down hard on his legs to keep him still.

He ignores high-pitched cries, focused on the pulsing heat he’s driving into. His balls draw up close, knot swelling. It's too big to take out, so he grinds deep instead, groaning as he’s suckled so sweetly by Yuuji’s pussy. Precum pours into the omega's greedy womb, hungry for his load.

The alpha’s jaw aches as he keeps it in place, refusing to let up on his bite. Stars fill his eyes as he feels himself approach the edge. His chest heaves, skin burning and tingling with hot bolts of pleasure. He's gonna cum, he's gonna knot this perfect pussy again, gonna breed his beautiful, perfect little brother-

A loud wail echoes in the room, constricting pressure wringing him dry. Yuuji cums around his cock, twisting uncontrollably in his hold, clenching so hard he almost pushes the alpha's cock out with the force. 

Choso bites down harder, mind flooded with bliss, shaking as he tips over the edge again. He can feel himself throbbing rapidly, cum pouring out with every flex of his groin. His pleasure crests over and over, drawn out as the omega flutters around him. 

It goes on for so long he can feel the tightness in his groin almost hurting. 

He whimpers. It's edging on too much, limbs trembling, nerves fried. Yet he can't stop himself from tilting his hips into each wax and wane of his orgasm, whining as he's milked thoroughly. His knot twitches, pleased, gripped snugly. 

The bliss softens eventually, pulses slowing until he's left floating in the afterglow.

He relaxes his muscles, hands easing up their grip and letting Yuuji's legs down. 

The omega's eyelids flicker, barely conscious. He can only muster a quiet complaint as Choso moves them around, hugging his body close when he shuffles so that Yuuji is resting against his chest, Choso's back to the blanketed floor. 

He coos and cuddles his mate, both of them settling as they enjoy a break from the peak of their cycles. They drift in and out of sleep, shifting slowly, careful not to disturb their tie. 

It could be an hour or multiple later when they both feel a bit more clear headed. The room is thick with the smell of their mating, the small air purifier Yuji set up in a corner doing its best. The concentrated scent makes Yuuji a little dizzy, the effects of his heat not helping. His instincts are sated, but still make his senses hazy at the edges.

His body is sweaty, sticky, and tired. Between his thighs feels messy and hot, a bit numb. He wants a shower. 

“Choso,” he murmurs, fighting not to fidget.

He listens to the steady thump of his heartbeat, lids weighted.

There’s no response, so he raises a hand, muscles protesting, to poke his brother’s shoulder.

Not even a twitch.

As if on cue, a soft snore sounds above him, scalp tingling from his warm breath.

He can’t help the fond smile that tugs at his lips, letting his eyes shut again as he listens to his slumber.

He was already at the end of his rut… those rounds must have taken it out of him. He thinks.

Yuuji still wants his shower, but he resignedly slumps in Choso’s hold and decides to take his break where he can.

He lays there for a little longer, not quite asleep but resting, when he feels a slight shift in the air.

Broad hands twitch against his back, the muscles of the broad chest beneath his cheek flexing as the alpha wakes. They relax again, the other man clearly not interested in moving from his spot.

“Hey,” Yuuji murmurs, forcing his eyelids open. The soft glow of the den and gentle hum of the purifier do their best to coax him back to sleep.

He blinks hard and takes a deep breath, resisting.

Choso puffs a breath against his shoulder. Wetness tickles his neck, soft lips and a peeking tongue brushing his earlobe.

Yuuji shivers.

“I wanna- Can we take a shower?”

His breath hitches when a hand picks up a lazy pattern on his hip, skin prickling. The arms around his waist don't move.

“We're- we're pretty gross, Choso.”

The man responds with a hum, mouth sliding down. He sucks softly on his pulse. 

Yuuji groans and tries to pull away.

Choso's knot is still swollen, though much softer. He’s surprised it’s not fully deflated- he’s pretty sure the first one went down fairly fast. 

They both freeze and whimper when his movement tugs at it, arms tightening to hold him in place. It had almost slid out, not firm enough to stay inside if he squirms. A small splash of liquid seeps down his thigh.

The omega wrinkles his nose, then sighs and taps at the nearest elbow.

“C’mon, it’s almost down anyway. Don’t you want to clean up? We’re all sticky and nasty.”

“Mmm-mm,” the alpha grumbles in objection. His voice is gruff with sleepy, scent content. He nuzzles Yuuji’s jaw, pulling him closer.

The pinkette sighs and gives up for the moment. 

“Fine, okay- just, we’ll go shower as soon as it’s fully down, okay? I feel gross.”

He feels Choso nod, dark bangs brushing his temple. 

He kisses his soft pink hair, breathing in his scent.

He's still under the influence of his rut, instincts strong enough that he can only really focus on tending to his mate, sleepiness making him further unable to care for more complicated thoughts or communication.

Resisting for so long was making it difficult for him to resurface to full lucidity. He felt more clarity when they were pairing, less slurring to his words. It seems like he lost the ability the closer he was to knotting, and post knot. Or maybe it was just a last minute, deeper wave of his rut?

Who knows. He doesn’t want to think anymore, he just wants to focus on Yuuji.

It's only a few minutes later when Yuuji feels their tie relaxing, knot slipping out on its own. He tries not to tense when he feels fluid gush out, face burning, biting on a lip to stifle any noises.

Choso grumbles unhappily, squirming a bit.

He reaches down to realign his cock back to his hole.

“No!” Yuuji blurts, snapping his legs together to block entry. 

Choso pauses, hand trapped between their bodies. They can both feel the way his mostly soft member twitches impatiently between them.

“Choso- Alpha-” Yuuji tries to appeal to him, looking up with a submissive plea. “Can we please clean up a bit? I'm sore, and I don't- I don't like feeling so messy.”

He watches nervously as the brunette frowns a little, brow furrowed.

“I like it. You smell very strong. It's good.” He replies simply.

His hand rejoins the other around his waist, keeping him close. His arms are like iron around Yuuji's back.

The teen holds back an exasperated groan, eyes closing briefly. The line of a hardening cock throbs against his belly like a threat. 

“You said we could go shower once it goes down,” he tries again, doing his best to waft persuasive pheromones into the air. 

Choso huffs a breath against his cheek, pausing as if to contemplate his argument.

“Yes,” he agrees easily. Yuuji waits with bated breath. “We’ll go after this one goes down,” he says, and slides a hand down to part his thighs.

The omega gasps and clenches them tighter, hand flying up to push at his forearm.

“I- I- okay,” he acquiesces reluctantly, wracking his brain on how to convince the other to go easy on him.

“But-” He tenses when Choso's knees try to nudge his apart. “But! I'm way too sore to go again! It'll hurt!”

The alpha growls against his neck. Now that he's had a taste of the paradise between his mate's legs, he is not so easily deterred. Two rounds were not nearly enough to sate him after the week he’d been through, especially not after the teen’s ruthless teasing.

“Please,” Yuuji whimpers, panic rising. He couldn't do it again, he wasn't quite deep enough in his heat to handle his knot more easily. Other knots, sure, but his brother was clearly an anomaly with a lengthy cock and huge knot that wouldn’t be easier to take until maybe the start of the second day, even. 

His body felt completely wrung out. He needed a fucking break.

“You can- you can use my mouth, instead,” he begs, trying not to lose his composure. Choso is still trying to part his legs. His rumble kicks up a notch, annoyed. 

“Or my thighs! Please, please just- just fuck my thighs instead! I really, I can't, it's too much right now,” he snivels into his skin. He keeps his eyes closed, but nuzzles his neck and starts up a placating purr. 

Choso pauses and hums, distracted by his mates' conflicting noises. His voice was so worried, but now he sounded so content. 

Yuuji slips a hand between them and curls it around the heavy erection, close to full mast.

The man stiffens and then sighs in pleasure, licking his omega's cheek in approval. 

Yuuji guides it between his legs, but makes sure to keep them shut as he lets it sink between his thighs. Their combined juices ease the way, the wet, tight heat an enticing alternative. 

Choso moans and then purrs back, desire flaring in his scent. 

“Good,” the teen gasps, goosebumps erupting along his skin as the other thrusts fully between his legs. “Th-thank you, Alpha.”

He rewards him with a clench of his thighs, and continues his purr. 

Choso chokes and bucks, a hand sliding down to grip his hip as he discovers a new way to enjoy his omega's body.

“G-good,” he groans. 

He kisses Choso's jaw, mouthing along it. The pinkette slowly relaxes, pulse settling as the alpha uses him with glee. His pussy thanks him as it aches, both from their previous activity and in sympathy as the rocking grows brutal. 

Wet slaps and soft grunts fill their den. The brunette's stamina doesn't wane, his length sliding easily in its crook with no signs of slowing down. 

The younger man sucks lightly along his shoulder, nibbling to create little bruises. 

He smiles when Choso gasps and jerks harder at the feeling, chirping and cooing in his ear. He likes seeing his alpha lost in his pleasure. He also hopes he comes soon so he can take a bath.

He tilts his head higher, reaching for the thin skin beneath his jaw that makes his dick jerk between his legs when he sucks on it.

Eventually, without being sure who started it, they lock lips, exchanging sensual kisses and swallowing each other's sighs.

Both of Choso's hands are on his hips now, pace frenzied between his squeezing thighs. They occasionally wander, caressing up and down his body, rubbing along his waist, palming a round asscheek. 

Yuuji moans, warmth spreading along his spine. He melts against him, a hand reaching up to card through dark, silky hair. He makes sure to rub his legs together carefully, swaying his hips to make Choso whine and his rhythm stutter. 

The omega licks into the other's mouth, nape tingling as they make out. The air is getting heated again, his core slickening, hormones rising. The gentle blossom of his heat is returning, the space between his ears soft like cotton.

He's still too sore to play, but maybe, after his alpha is satisfied, and after a thorough washing…

Yuuji lowers his free hand, moving it behind him and using touch to guide him. Pride curls in his chest when Choso cries out into his lips at the feeling of his fingers teasing his cockhead. It leaks over the digits, a fat drop sprouting when he swipes over the dilated cumslit. Calloused palms tighten on his body.

“Ungh…!” Choso whimpers, face scrunched up with pleasure. He pulls away from their kiss, tears trailing down to his temples. 

He must be close . Yuuji stares at him raptly, fist closing around the little bit of the length that pokes past his thighs. He can feel the half-blown knot brush just past his pussylips. It's bloodhot, pulsing. The omega shudders.

“Are you gonna cum?” Yuuji breathes.

The alpha bucks into him, throbbing wildly, expression desperate.

“I, I’m-!” He gasps. His head flies back into the blankets, teeth grit.

Yuuji bites down on his throat, just beneath his Adam's apple. The cock between his legs jumps, hard, and he feels pre-cum squirt against his rear. His neglected cunt drools, swollen, but getting needy with heat. 

The pinkette mewls into his skin, licking up his salty sweat. His thoughts are beginning to fog.

Their pulses thunder in their chests, easy to feel when they’re pressed together so closely. 

“Come on,” he urges, purring encouragingly. “You can cum. I want you to cum.”

Choso keens, arching off the floor. His balls are tight, his knot sensitive, his cock aching to breed. 

He wants- he wants….

He reaches down, wrenching those thick thighs apart to thrust into the soaking pink pussy between them down to the hilt.

He holds Yuuji's thrashing body, shout piercing in his ears as he pumps hard and fast, knot popping in no time. His eyes roll back, breathless, tip spurting deep inside that tight womb. This orgasm floods his mind like a tsunami, filling every crevice with ecstasy, nerves overflowing. Little shocks of white-hot pleasure spark across his skin, muscles quaking.

The smaller body in his grasp gives a violent tremble before falling limp. He worries for a moment that Yuuji had passed out, but he sees his eyes are still open, if blinking sluggishly. Choso clutches him close like an oversized teddy bear and enjoys the pleasant haze after his climax.

The pinkette shakes in his brother’s arms, cervix aching. He wants to whine, to flail and complain and make Choso apologize for brutalizing his used sex like this, but…

His hands twitch.

Yuuji shoves his face in Choso’s chest, trying to ignore the insistent throb of his hard nub, begging for attention, for long, calloused fingers.

The next round of his heat is waking up, lulled due to Choso’s knot, but still making him feel hot and itching for touch. He bites his lip. 

He knows his body and his cycles well enough to tell that he’s going to lose his rational thought more and more from now on. 

The haze in his mind and dull drum in his veins let him know he’s slipping into the thick of his heat, finally.

Yuuji hugs Choso back, eyes shut as he tries not to squirm. All that complaining, begging, and now… 

He wants more.

The world spins around him, and his eyes fly open to see Choso propped above him. His head is tilted at him, cheeks flushed, eyes dark.

“You… you want more?” 

The teen blinks rapidly. How did he know?

“I, uh,” he stammers.

“You smell…” Choso leans down and noses at his scent gland. Yuuji shivers.

“...Needy.”

He grinds their hips together gently, a hand resting low on the omega’s belly. 

The other doesn’t respond. He swallows harshly and just stares up at his alpha, blush deepening. 

The man purrs soothingly and brushes his thumb through his pink curls, along the silky labia and just barely nudging his swollen cocklet.

Yuuji whimpers.

“Stay still.”

The omega tries not to flinch or call out when Choso carefully moves them around, doing his best not to tug on their connection as he turns him onto his stomach. 

Stars flare and die behind the pinkette’s eyelids as he feels the fat knot inside him rub his rim, that large cockhead doing the same to his cervix. He slumps on the floor, the fullness in his guts more prominent in this position. He clenches helplessly.

“Oh- good boy, Yuuji,” Choso breathes. 

His hands rub up and down his spine, lips following. Wetness gleams along his nape, cool on his heated skin. 

“I’ll take care of you. I wanna make you feel good, too, otouto.”

Yuuji rests his cheek on the soft blankets, belly tightening in anticipation. 

When he feels a hand ghost over the curve of his rear, he tries to arch into it, but pauses with a whimper when it pulls on their tie.

A sharp intake of breath reaches his ears, fingers twitching against his ass. His wide palm presses gently on his lower back, a request.

“Stay still. Don’t move.” 

The teen nods, letting his muscles go lax. He puts his body and his pleasure into his alpha’s hands as he lets him take the reins.

Choso purrs approvingly, the smell of his desire and affection blooming around them. 

He strokes him gently, kneading his neck, his shoulders, down his back. Every touch makes him melt further and further into a puddle, mind in a fuzzy, warm state of simmering relaxation and lust. 

Yuuji doesn’t move an inch as Choso shifts above him, appreciating the curves and planes of his body, even when his movements jostle their tie a bit.

His core throbs eagerly, awaiting his alpha’s attention.

He mewls softly when he feels him fondle his rear, squeezing the fat of it and spreading him apart. 

He can feel cool air hit his exposed pussy, the twitch of the cock deep inside him. He moans breathlessly.

Warm fingers brush against where they meet. Yuuji flutters around him.

The hand traces lightly around his stretched rim, admiring it. Then the fingers scoop up some of their mess, smearing more of it along his skin.

Just 30 minutes ago Yuuji probably would have wrinkled his nose and complained, but now it just makes the heat in his sex burn hotter. 

He purrs, clit hard, peeking out from between his labia. 

His little rumble stutters when a curious digit prods at his untouched asshole.

“Ah,” he gasps, eyes blinking open. 

He’s never played with himself there. He’s thought about it, sure, and he’s heard it can feel good, but he hadn’t taken that step yet. Did he want Choso to?

There’s light pressure that swirls around his rim, slicking him up. It pauses right before breaching him. He does his best to stay pliant. When he doesn’t protest, it increases its force, sliding in with a soft ‘pop’.

“Ngh!” Yuuji gasps and clenches around the intrusion involuntarily, the foreign sensation confusing. His cunt drools hungrily anyway.

Choso gives him a moment before delving deeper, letting him get used to the feeling of something inside his virgin hole. Yuuji trembles as it drags outside of him, then reverses course and sinks back in.

“Such a good omega,” the other whispers. His knot is starting to soften just a little, but his cock stays thick inside him.

He pumps his finger back and forth a few more times before pulling free, slicking a second finger, and carefully easing both past his rim.

“Oh!”

The teen can’t help but jolt a little at the new stretch, entrance tingling around it. It doesn’t hurt, which he’s relieved about, but it feels so big. When Choso starts crooking his fingers, pressing down on his spongy insides, he’s surprised at the whine that slips out of his mouth.

“Good?” 

The man doesn’t stop his gentle fingering, strokes speeding up just a little. When pulling out, he spreads them apart slightly.

Yuuji arches and cries out, overwhelmed at the pleasant stretch of his ass and the movement of Choso’s knot inside his pussy.

“Good! So good!”

Choso moans and pulls his fingers out, gathering more of their juices before sliding three inside him.

It burns only briefly on the way in, quickly forgotten when they bottom out. Electricity shoots up his spine, greedy cunt gushing. 

“More! Please- ah!”

Yuuji fists the blankets next to his face, body feverish. His heat is well underway, the only thing consuming him a need to get fucked and filled with more knots, stuffed and bred, to cum all over his big brother’s cock.

He can feel himself getting closer, insides spasming around Choso, clit jumping, lips slick and puffy. His asshole clutches his thrusting digits helplessly. He’s so full, but he wants- he needs more.

As if reading his mind, both those thick fingers and the softened knot leave his gaping holes.

Yuuji whines despite himself, hips tilting up to present his empty entrances.

“I know,” Choso gasps, shaking hands guiding his half hard cock to his pussy. His eyes stay fixed on the soft, widened rim of his ass. 

They both shake and curse when he bottoms out in one thrust, Yuuji’s heat softening and elongating his channel, giving his bruised cervix a break. A fleeting thought sprouts, surprise that he can accommodate his length so early into his heat. 

You're so stupid. He's shoved that thing into you three times already, don't you expect your cunt to adjust by now? You're fucking hopeless. 

Yuuji drools onto the blanket, blinking dumbly as the voice and presence fades away on its own.

The swift pace Choso starts with is perfect for his mate, soreness and a dark voice forgotten in his pheromone-driven lust.

“Hah- oh! You feel so good!” Yuuji pushes back into each thrust, the sharp smack of their hips echoing.

“Please! I need more,” he babbles, clawing weakly at the sheets. His lower belly is tense with his nearing climax, nerves overworked and screaming his pleasure. “I want- I need your knot! I wanna cum!”

The brunette grips him by the waist, length so sensitive it hurts a little bit to use it right now. He grits his teeth and hunches over, fucking harder and faster as Yuuji grows louder.

It’s so wet, strings of slick and precum flinging onto their thighs and bellies. They can feel the throb of each other’s sexes, the swelling of their scents and how well they blend together.

“I want- I want to make you cum,” Choso pants. 

His eyes blink blearily down at the beautiful arch of his back, skin glittering like diamonds. They trace the blank expanse of his nape, fangs heavy in his gums. 

A metallic gleam catches his attention, a brief glance revealing the little vibrator Yuuji had used earlier.

Choso swallows.

“I’m close!” Yuuji calls out, saliva dripping along his lips and down his jaw. His walls are tightening and loosening in pulses, his orgasm just on the horizon. His cock jumps at the apex of his thighs, hard and swollen.

A small buzz fills his ears, confusing him before white floods his senses. He thinks he screams, throat raw while pleasure batters his core. He doesn’t tip over the edge, he’s thrown over it, esctasy slamming into his body. Something feels different, a tingle deep inside, and he feels something- 

He squeals and tenses, something hot squirting from inside, wetness splattering along his puffy labia, his thighs. He faintly registers the vibrations rumbling against his clit, mind overtaken with bliss.

“Choso!” He keens, tears streaming down his face, cunt bearing down hard around his girth. He can’t catch his breath, body trembling with the pulses of his climax. He’s never had one like that before, and his mind is still reeling in circles from it, unbalanced.

He can’t stop whining and tensing, a corner of the blanket tearing underneath his fist. Cooling spit smears on his cheek, mouth unable to stop drooling.

“Oh, oh!” Choso gasps and squeezes his waist, bruising. 

His head spins as Yuuji’s cunt ripples around him, begging to be bred. His other hand is still between Yuuji’s legs, vibrator buzzing cheerily. He clicks it off and sets it down nearby, hips slowing as he braces a hand on one of the other’s shoulders.

The omega is still shaking as he comes down from his orgasm, both of them panting hard.

It doesn’t take much to coax his knees down; they practically slide down in one go, legs flopping flat on the floor. 

Choso follows him, body lowering so they’re flush together. Yuuji is sturdy, so he doesn’t worry about squishing him when he cradles him close in his arms, nudging his slack lips into a kiss.

He rocks his hips slowly, moaning as his cock flexes eagerly inside his perfect mate. 

“You’re such a good omega,” he praises, pressing kisses into his hair, his forehead, his nose. “So good, letting me take care of you.” 

His alpha preens inside him, satisfied with a job well done. Well, except for one last thing…

“Want me to breed you, don’t you?” He purrs, nudging his sweaty brow. “Gonna knot you, fill you up…”

Yuuji doesn't respond, not that he expected him to when he's still stunned in his afterglow. He does twitch weakly, heat-scent flaring in agreement. 

Choso smiles and increases the speed of his movement, a gradual build up to the pace Yuuji has seemed to enjoy the most. It earns him a flinch and sob, wetness dripping down his shaft.

“But,” he pants without pause, “I want you to come for me one more time, okay? Can you do that for me, love?”

His omega quakes, hands curling, lips quivering.

“I- I-”

“You can,” Choso insists, driving faster inside. “I know you can.”

He gropes around blindly, fingers gripping his prize.

“I want you to- ah, fuck- I want you t-to use this on yourself.”

He presses the vibrator into Yuuji’s hand, pulling it down between his thighs. 

The omega sniffles and whimpers, shaking his head. “T-there’s no way! I’m too sensitive, I can’t-”

“You can,” Choso growls, hips fucking down sharply. Yuuji jerks and warbles. “You will. Because I’m asking you to.”

The alpha’s rut is lighter than it was before, but he can still feel the influence in his body, the greediness and desire to dominate flooding his veins.

He flattens Yuuji’s palm against his sopping cunt, and presses down to make sure he keeps it there.

He hears it flick on with a low buzz, and Yuuji warbles.

Silky walls grip him tight, forcing his hips forward with a jolt. They both whimper.

Choso pulls away slightly, a palm braced on his mate’s nape, a reminder to stay put. His eyes slide down his spine, loving the taper of his waist to the flare of his hips, the pleasing wobble of his ass with every punishing thrust.

He looks around, and finds it.

Part of him doesn’t want to use it, but he needs to stay inside to knot him. He has to. And yet, he wants to fill Yuuji as much as possible, too. Especially if it helps him cum again.

“Ohh, fuck, I can’t, I can’t Choso, Alpha-” Yuuji calls out, squirming against the overstimulating thrum of his toy. He shifts it further away from his clit, letting it shake against his inner thigh as he whines. 

“I’m not gonna stop until you cum,” Choso states firmly, free hand spreading his ass and skimming his fingers around his taut cunt, his thighs, and between his cheeks. “So you should keep that toy going, to help.”

Yuuji weeps, tears blurring his vision. He clenches his eyes shut, feeling them spill down his nose, his lips. He obediently guides the vibrator back to his pussy, keening when it buzzes through his sensitive lips. He keeps the pressure light on his clit, on the less responsive side. 

He shivers through the onslaught of pleasure, feeling the coil burn brightly in his gut. He’s so full, so wrung out but on edge, so tender and sore everywhere, just- so- so-

The omega’s confused squeak pitches into a shrill cry, muscles tensing as his forgotten dildo pops past his quivering asshole. It doesn’t really hurt, the entry smoothed by his juices and the earlier fingering, his heat helping him ignore any faint twinges of pain. 

Yuuji accidentally clicks his toy higher, palm holding it shakily against himself.

He shrieks and spasms underneath his partner, hand flinching away on instinct. Choso lets go of his nape to force it back down, increasing the pressure on his clit.

The pinkette screams himself hoarse, prickling oversensitivity bobbing between pain and pleasure. He can’t even tell if he’s close. He doesn’t think he can come again, but he has to, Choso won’t let him rest until he does, probably won’t even knot him until he does, and he needs it.

“Alpha,” he sniffles, eyes puffy, cheeks wet and red, nose stuffed. Everything feels so fucking sensitive, so overworked, and numb at the same time. His thighs are wracked with tremors. The dildo sinks in to the hilt, liquid heat racing up his spine. His belly swoops, eyes rolling back. His tears are hot, even against his burning cheeks.

“Alpha, please-! ”

“Ah, you’re so tight, so wet,” Choso mewls, hips slapping unrelentingly. He pulls the dildo out slowly, before slamming it deep inside. Yuuji convulses beneath him, wheezing.

“I wanna- I’m gonna cum inside, I’m gonna knot you-”

“Choso!” The omega wails, chest heaving with sobs. His sex feels hot and cold at the same time, nerves shaking apart, unable to tell what the fuck he’s feeling at this point. “I'm- ngh, oh , C-choso-nii!”

The alpha gasps, pace stuttering as he cums, knot popping into place, wet heat splashing against the omega's tender cervix.

He leans down and chomps straight onto his nape, a hair's breadth from his scent gland.

Yuuji howls , voice breaking and splitting, sight going dark as he falls.

***** 

When Choso wakes, he smells food.

He tries to open his eyelids, but they're glued shut with what must be concrete.

A leaden arm drags up to scrub them, his body warm and tired. He doesn’t want to move an inch, but something in the back of his sleepy mind urges him to wake fully. His grumbling stomach only compels him further. 

When he forces his eyes open, the light in the room is blue and drowsy with the morning. The thin curtains still cover the windows to dampen the brightness of it. There’s a slight chill in the room, goosebumps rising along his bare arms.

His bare arms?

Choso blinks down at himself. Oh. He’s naked.

He sits up quickly. 

Wait. Wait-

He spots his cage in the corner of the room, his dented muzzle not too far away. 

Dread pools in his chest, constricting his lungs.

What the fuck did he do?

He rises to his feet, looking around for more clues.

The air is still ripe with the scent of sex, though the strained air purifier Yuki got him has done a good job to filter it. There’s a notable citrusy tang, one that makes his mouth water. An omega?

He doesn’t see any clothes other than the remnants of his own littering the floor.

But that scent… he swears he recognizes it. Why can’t he place it? A name is right there, just on the tip of his tongue…

His head hurts.

Another whiff of cooking meat reaches his nose, and his stomach growls and cramps.

“Ah,” he winces, and puts a hand to his belly. He didn’t usually get hungry like this, but it must be his rut increasing his appetite; he can’t recall the last meal he had.

He looks down at himself. 

Ah… and all the calories he seems to have burned.

Nerves bubbling in his gut, he exits the room and follows the scent.

He can hear a light, raspy hum, a familiar voice-

Yuuji is standing in the kitchen, tending to a sizzling pan. His hair is damp from a recent shower. He’s wearing loose shorts and one of Choso’s shirts from his closet; it was a gift from Yuuji, one of the only modern styled t-shirts he owned, with a cute pink cartoon character on the front. His socks are mismatched, and one of his feet taps on the hardwood along with his quiet song.

Choso’s breath is caught in his throat, heart stumbling over a beat.

The scent in the room…

“Yuuji?”

The pinkette startles, voice cracking around a squeak as he whips around. There’s a wooden spoon in his hand, held aloft like a weapon. His skin is dewy with heat, though Choso can tell from his scent that it’s in a lull, recently sated.

His stomach twists.

This was the scent from the room. He’d never smelled Yuuji in a full blown heat before, but now it was so obvious that it could have only been his. He knew his brother’s aroma like the back of his hand.

And if that was Yuuji’s scent lingering in his room…

He fell to his knees.

“Choso?!”

He hears his precious brother exclaim in alarm, but doesn’t pause as he flattens his face to the ground.

“Otouto…,” he starts, fighting past the lump in his throat. “I apologize deeply, from the bottom of my soul, my very being, for any harm that I might have caused you while under the influence of my rut. I have no delusions to assume that you would forgive me, but I need to-”

Strong fingers grip his shoulders. He braces himself for a beheading. 

It would be within his right, he thinks calmly.

“You- stop!” Yuuji splutters, yanking him up from the ground. “You don’t have to do all that! God, you’re so fucking dramatic.”

The omega’s cheeks are a fetching pink, scent embarrassed but fond.

Choso stares at him. The details escape him, but he knows that they must have… spent the rest of Choso’s rut together. And from the heavy perfume of sex that not even the air purifier could clear, he doubts they were just cuddling.

“But… little brother-”

“Choso,” he interrupts firmly, “I came here of my own volition. I don’t know how much you remember, but I was the one who… instigated things. And I enjoyed it- everything we did…”

His face flushes darker.

“If anything, I should be apologizing.” 

The brunette shakes his head immediately. 

“I don’t remember much, yet, but I’m sure it was the greatest honor to be able to enjoy your company during my rut. Besides, I would never deny you anything. You should know I would give you any of my services, gladly. My body is yours to please yourself with, otouto-”

“Oh my God,” Yuuji turns away, a hand shielding his expression.

Choso’s brow furrows. “What’s wrong?”

Yuuji laughs a little, strained, before uncovering his face. He turns around, and glances up and down his body.

“How about you take a shower and get some clothes on before we have this conversation. Breakfast should be ready by then, okay?”

The alpha nods slowly. “Alright. I won’t take long.”

By the time Choso is cleaned up and dressed, some fuzzy memories have returned to him. He understands, now, that his brother really had come on to him instead of the other way around, though his inhibitions may have been further weakened by his preheat. Choso feels himself flush a bit. He hopes Yuuji isn’t upset about how… out of hand things got at the end, though.

When he enters the kitchen again, his brother has just finished setting their plates down. He smiles when he sees Choso, and tilts his head towards a seat. 

He sits.

Choso thanks him for the meal, and they tuck in. Both of them get through most of their food before slowing down to speak. It seems like they were both pretty famished. The alpha tries to avoid thinking about why. He hopes any notes of arousal aren’t obvious in his scent. He was never good about hiding that.

Yuuji clears his throat. 

Choso perks up.

“Ah, so…” Yuuji picks at his napkin a bit, before sighing. 

“I know you’ll just say it’s fine, but I did want to say sorry. I wasn’t completely in heat when I started-” he blushes, “when I started doing all that. I was just being a horny shit.” He sighs again.

“I took advantage of your weakness, and was pretty mean about it, and I didn’t even think about your inability to really say no, so I- I wanted to say sorry. Seriously, I don’t plan to ever do something like that with you again unless I know that you want it too, and that you’re able to communicate that to me without the influence of a rut.”

Yuuji pauses, and looks at Choso uncertainly.

He licks his lips.

“I… understand where you’re coming from. And I forgive you.” 

Yuuji's shoulders slump. He looks at Choso with an expression he can't decipher, and then he gets up and gives him a hug. 

The brunette returns it without a thought, heart swelling with joy.

“You're too good to me,” Yuuji mutters, soft enough that Choso thinks he may have not intended to be heard.

He frowns, mouth opening to disagree, when a gentle pressure places itself on the corner of his lips. He blinks.

“My… my heat is still ongoing,” the omega tells him, as if Choso is not currently imploding as he processes the sweet kiss he has just been gifted. “Would you… want to spend the rest of it with me?”

Yuuji is careful to keep his face neutral, but Choso can see the small tick of his jaw, apprehension bleeding into his sweet, tangy scent.

“Yuuji…” 

Choso cradles his face, more precious to him than any gem. 

“I would be more than happy to.”

They text the others that they won't be needing any more visits, that Choso's rut had ended and the two sorcerers would now be spending Yuuji's heat together. They messaged Yuki just in time; she would have likely been on her way in just another half hour. 

Not even 5 minutes after sending their texts, calls start coming in. 

Yuuji comes back into his room, a basket of nesting materials in his arms. Choso is sat on the carpet of the omega's room next to the mattress they had brought down to build the nest on. 

The teen sighs. “Already?” 

The hearty flush of his heat is beginning to bleed from his cheeks to stain the soft skin on his throat. 

Choso quirks a brow at his phone, a flood of texts from Yuki making it vibrate every few seconds.

“Yuki wants to know every last detail of how this happened, it seems like,” he admits with a huffed chuckle. “She knows we're okay, I made sure to reiterate that.”

Yuuji sets his basket on the ground and starts dumping his accumulated fabrics on top of his mattress. 

“Then you don't need to answer that right now, do you?”

He plucks it from the alpha’s grasp and sets it aside, vibrations muffled and barely audible on the carpet. 

“What you need…”

Yuuji climbs into his half-made nest, rearranging some pillows and clothes into a more satisfactory arrangement. Then he starts adding his own clothing, too.

Choso's mouth goes dry as he watches, tattoo heating up on his nose. 

“... is to help me finish making this nest, and then help me break it in.”

Yuuji lays back on some of the cushions, legs splayed open. His scent bursts in the air, and his hand drops down between his legs. 

He glances up at Choso through pink lashes, gaze sultry. 

“Don't you agree, Alpha? ”

The brunette swallows and feels his cock throb, despite his groin aching and feeling sore. He almost winces at the thought of using it repeatedly for another 4 days or so, but getting to mate and breed his darling brother is a privilege, so he yields gladly. 

Besides , he thinks, climbing into the nest in a rush, Yuuji's excited giggles filling the room, it's only fair to return the favour, no?