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Devil Inside Me

Summary:

Peter is deeply in love with Tony, whereas Tony… Well, he certainly has a burning passion for the dorky teen, but it's complicated. Blinded by affection, Peter lets himself get drawn into a world full of lies, dominance and desire, certainly agreeing to keep their relationship a secret until he’d come of age. However, when that time has come, he requests Tony to make it all official, not realizing that his desperate wish for love and respect might not necessarily result in a fairytale ending, but could just as well lead to their ultimate demise.

Chapter 1: [01]

Summary:

When Peter comes out as gay, Tony starts to act differently around him. When he confronts him about it, things suddenly take an unexpected turn.

Notes:

This isn’t really a lighthearted romance; it’s more of a dark, twisted story with somewhat dubious cont(s)ent and Tony isn’t a 100 % nice guy, so please be warned! There will be explicit sex scenes, but eventually this story will have more plot than smut.

The story starts a few weeks after Peter’s sixteenth birthday, in an AU where he joined the Avengers after Homecoming (without him living at the compound).

 

Italic headlines are lyrics of the song 'Devil Inside Me' by KSHMR

(See the end of the chapter for more notes.)

Chapter Text

> you got me losing all my innocence <

Peter’s palms were sweaty, his breathing heavy and ragged, and his heart was pounding so hard that he could feel it in his throat. For the hundredth time he was asking himself if he was doing the right thing, yet, when the whole god-damn room was deadly silent, awaiting his oh-so-important announcement, Peter knew, it was now, or never.

Uptight and anxious, he didn’t dare to look at the Avengers, especially not Mr. Stark, and focused on the glass of water in front on him instead. When Peter finally spoke, his voice was hoarse and silent, almost inaudible.

“I uhm… t-there’s something I w-wanted to talk to you about.” He cleared his throat, twice, eyes still fixed on the glass, his face burning. “I… uhm…I just w-wanted to tell y-you, that…I’m… I’m gay.”

For a few seconds, nobody said a word, filling Peter with dread and regret. Jesus fucking Christ, why did he have to tell them, why didn’t he-

“Is this why you’ve been acting so weird lately?” Wanda asked with a frown, and Peter curtly nodded, still staring at the glass of water as if he seriously considered drowning himself in it. “I… I’m sorry.”

“What for?” asked Sam, wholeheartedly confused.

“Did you think we would not support you?” Natasha asked incredulously, and when Peter nodded again, looking fearful, the whole room chuckled. “Aw, you poor thing. You really wouldn’t have needed to worry about it.”

“Peter…I’ve had my coming out two years ago,” Bucky said with a grin, “and Wanda… she’s bisexual.”

Peter gaped at him, completely dumfounded. He then glanced at Wanda, who smirked and wiggled her eyebrows amusedly.

“I… I didn’t know that,” the boy admitted, feeling embarrassed, although for very different reasons than he’d expected earlier.

Bucky shrugged and laughed. “Sorry Pete, I thought you did.”

“Peter, nobody should ever judge you about your sexuality,” Steve said, smiling fatherly, “No matter who you love, it’s your body and your choice. Let me tell you a story about-”

The whole room groaned in unison when they realized that Steve was almost word-by-word quoting an educational video he had recorded as Captain America, which shut him up successfully. He frowned and pursed his lips, which made everyone burst out laughing. Peter joined in, utterly relieved and almost radiating with happiness. It was exactly like it had been with May, Ned and MJ, nobody seemed even slightly taken aback by his confession, nobody except… Peter’s smile dropped.

Tony was staring at him from across the table with an irritated, stern expression. When he noticed that Peter had caught him, he quickly averted his gaze, completely ignoring him for the rest of the meeting.


Ever since the event at Peter’s homecoming, Tony and Peter had tried to get together every three to four weeks at least, mostly to spend some time in the lab, but also to hang out with each other or with the Avengers, and about once a week, they texted or spoke over the phone. However, after Peter had blurted out his homosexuality to everyone, things had changed. Tony couldn’t, no, didn’t want to deal with this. It was easy to get out of Barnes’ way most of the time, considering the two still weren’t on the best terms, but with Peter, it was a whole different story.

Nevertheless, after five weeks of successfully ignoring Peter, Tony knew that he couldn’t avoid him any longer, so he jumped over his shadow and answered one of his plenty texts, telling him to come over on Saturday afternoon.

With every day that passed, the more uneasy Tony felt, and on Saturday, he drowned two glasses of Bourbon until lunch, hoping it would calm him down a little bit. It was stupid, though… he just needed to act like he always did. But as soon as Peter walked into the lab, looking almost as anxious as Tony felt, he knew that he couldn’t.

“H-hey Mr. Stark,” the boy said, smiling somewhat shyly.

“Hey Underoos,” Tony replied, his voice sounding horribly dry. He eyed the small boy in front of him, taking in every freckle on his otherwise unblemished, pale skin, his delicate looking lips, his doe-colored eyes…

Tony snapped out of it when Peter asked him in a shaky voice how he had been doing lately.

“Hm? I uhm… I’ve been really busy, actually.”

“With what?”

Tony frowned. “With… what? I don’t think that’s any of your business,” he snapped and Peter winced, taken aback by the harsh tone.

“I…of course, sorry.” He looked down embarrassed, cheeks turning pink at once.

Tony sighed, feeling angry with himself. He knew he had to get his shit together, or this would end in a disaster.

Truth was, that ever since that one fatal pool party in summer, it had been really hard for him to look at Peter without feeling heat rush up everywhere inside him, but now, it was almost unbearable. Not only had the boy been starting to look more like a (very small and very juvenile) young man than a child, he was even gay on top of that all of a sudden. The main reason why Tony had been able to keep up acting like some kind of father figure for the boy rather than a fucking perverted creep, was that Peter had been (and would always be) out of reach. Not just because he was still a teenager, but because the boy had only seemed interested in girls. But now, Tony couldn’t stop thinking about how good the kid’s mouth would feel on his dick, and how arousing the delicate body would look getting pinned down beneath him.

It’s not like Peter hadn’t been acting strange lately, but since the kid had always acted a little nervous and agitated around him, it had taken Tony a while to notice that it had gotten worse. For a few weeks now, the boy was often shivering slightly when they were standing close to, or brushing against each other in some sort of way, and Tony had caught Peter staring at him a bunch of times with somewhat dreamy eyes, blushing deeply whenever their eyes met. Tony had brushed it all off, telling himself that the hormonal teenager was probably just daydreaming about some girl in school, never daring to think this weird behavior could actually have to do something with him. However, ever since Peter had come out, Tony had been overanalyzing every second of their last few meetings (as recorded by F.R.I.D.A.Y.), almost persuading himself that Peter had developed a crush on him. Even though the thought alone had almost made him call the boy over to rip his clothes off and fuck him senseless, he had known better and had avoided the boy despite (or because?) of it.

But now, here they were.

Tony forced himself to smile, hoping it would look natural and kind. “Actually, I’m sorry, I’m just… things have been stressful. Glad you’re here, though.”

The boy’s shy, blushing smile, made Tony’s cock twitch.


After working in an awkward silence for about half an hour, Peter had to address it.

“Mr. Stark… can I… can I ask you a question?”

 “I’m Tony, Peter. We’ve been over that a million times. But sure, what’s on your mind, kid?”

Peter took a few deep, nervous breaths. “Have you… been avoiding me?”

Tony’s head snapped up, and the way he darted his eyes at Peter for a mere second was as good as a confession. “Why… why would you think that?” His eyes were back on the workbench and Peter’s heart clenched in fear. Tony was so obviously uncomfortable that the teen could almost feel the heat radiating off his body.

“But…ever since I… I’ve come out, you’ve hardly ever replied, and-”

Tony snorted, still refusing to look him in the eye. “I told you, I’ve been busy.”

Peter couldn’t help himself; he didn’t believe the older man, and it hurt so much that he almost started to cry on the spot. Ever since he had come to terms with his sexuality, his greatest fear had been that Tony would not support or accept him. He had looked up at the older man for years, since long before they had even met, and then, his feelings for Tony had taken a drastic change over the last couple of months. In the beginning, Peter had been scared, almost disgusted even, but in the end, he had come to terms with the fact that not only had he developed a crush on a man, but on his mentor-sort-of-father-figure more than 20 years his senior nonetheless. Therefore, Peter was utterly devastated about the whole situation.

Since the boy didn’t know what to reply, the two continued to work in complete, uncomfortable silence for another half an hour, before Rhodey entered the lab and saved them. Apparently, it was Clint’s birthday, and they wanted to drink a toast to him before he had to leave for his “surprise” birthday dinner with his family.

Peter didn’t think they’d allow or even want him to stay, but then Rhodey said: “Hope you’re coming too? Clint was delighted when I told him you’re here. We hardly ever get to see you, kid, with you always hiding in that stifling lab with Mr. Arcane, doing god knows what.”

Rhodey laughed when Tony’s huffed, but Peter blushed deeply at the thought of doing god knows what with the older man. Immediately, he felt Tony’s piercing gaze scanning him like an x-ray, making him shift around in his chair uncomfortably.

A few minutes later, the three males entered the enormous living room, and Peter grimaced in disgust when he noticed numerous bottles of high-proof alcoholic beverages on the counter, knowing the grown-ups would probably all be wasted in about an hour, give or take.

He wasn’t mistaken. Roughly fifty minutes later, everyone except Peter, Steve and Bucky was either completely sloshed or on the verge of getting there.

From the huge sofa, where he had been sitting alone for the past twenty minutes, Peter was watching the world’s greatest superheroes shouting, laughing and dancing, feeling completely isolated, depressed and somewhat jealous. For the first time in his life, he wished he could get wasted too and forget all his problems for an evening, because right now, he felt worse with each second passing. Unfortunately, even Happy had apparently been drinking too, considering he was right in the middle of a weird-looking, staggering dance with Scott Lang.

Suddenly, a booming voice gave him a start. “What your’re sulking about?”

The sofa creaked when Thor flung his enormous body onto the furniture right next to Peter, beaming at him with bloodshot eyes, placing a glass, filled with something that looked like coke, and a bottle of beer on the coffee table.

“I’m not sulking,” Peter growled through clenched teeth. He gasped when Thor patted him on the back forcefully, obviously intending it to be comforting, but underestimating his own strength. If Peter hadn’t been an enhanced human being, he’d probably be seriously hurt right now.

“’Course you are. Why don’t you drink and have some fun with us?”

“Uhm… because I’m not allowed to? I’m sixteen, remember?”

Thor snorted and looked at Peter amusedly. “You’re funny, Pete. That’s why I like you so much! Now, don’t be a wimp and have a drink with me!”

Peter opened his mouth to object and tell the foreign god that he wasn’t interested in getting drunk, but Thor had already thrust the glass with the coke-like liquid into his hand, clinking his beer bottle against it so fiercely, that Peter was astonished that it hadn’t burst.

“Cheers,” he slurred, and took a few deep gulps, swallowing loudly.

Peter hesitantly held the glass up to his lips and glanced over to the other Avengers. Nobody was paying him any attention, and Tony… he was in the middle of a conversation with Steve and Sam, laughing loudly at something either of the other two had said to him. A few inches next to them were Nat and Bruce, kissing fiercely.

‘Fuck this,’ Peter thought and took a first, careful sip. Nope, that was definitely not coke, or it wouldn’t burn so fucking badly. Peter coughed and tried to keep his watering eyes open. “What is that?” he choked out, not sure if Thor, who was sitting there cross-eyed, had even heard him.


Tony was in a splendid mood, feeling relaxed and somewhat at ease, now, that he didn’t have to be alone with Peter anymore. At least, until Bucky joined their little group and Sam, who was horribly drunk, just had to ask him about Carl, his latest crush.

“So …I’ve always wondered… y’know… who’s givin’ it, and who’s takin’ it?”

Even though Bucky blushed a little, he also wholeheartedly laughed. While Rogers only cringed slightly, Tony turned around, feeling sick.

He muttered an excuse, saying that he had to go to the bathroom, and while he was walking, he was scanning the room. When he spotted Peter on the sofa, next to a passed-out Thor, their eyes locked for a second. The boy was outright glaring at him, accusing and hurt, and it made Tony feel even more sick. Sick and… excited. Fuck. He didn’t even have that many drinks.

Since he was in a desperate need of cooling down, Tony actually did go to the bathroom. For a few moments, the man just stood there, grabbing the edges of the sink with both hands, breathing calmly. It didn’t help, he didn’t have any other choice, he needed to-

A knock on the door startled him.

“Mr. Stark, can we talk?”

Oh fuck.

“Uh, I’m… not done, I-”

“I’m sorry Mr. Stark but… I am what I am and I…was hoping you could accept me but if you hate me I will go, but I need you, Mr. Stark, I-“

Jesus fucking Christ. Panic-stricken, Tony yanked the door open, and Peter, who had apparently been leaning against the door, tumbled into the bathroom.

“Woah, s-sorry,” the boy mumbled, embarrassed, and struggled to his feet. He was teetering slightly.

“Have you been drinking?” Tony shouted furiously, and Peter shrugged his shoulders. “It was just one coke mixed with… something nasty.”

Admittedly, he didn’t really seem drunk, but he was definitely tipsy, probably similar to himself. To Tony’s misfortune, it had made Peter all emotional and whiny.

“Well, that’s it, you’re going home. I can’t have you getting drunk in my house.”

He grabbed Peter’s left arm and tried to get him to move, but the boy didn’t budge an inch. Horrified, Tony watched as a few tears escaped his doe-like eyes.

“I don’t want you to hate me,” Peter whispered tearfully, breaking Tony’s heart.

“I don’t fucking hate you, kid, I-“

“Then why are you acting so… distant?”

Tony’s eyes glanced down the corridor and towards the living room, praying that nobody would hear them.

“I’m not distant, I’m-“

“Cut the bullshit!” Peter yelled. Angry tears were running down his cheeks when he smashed his right fist into Tony’s chest. It actually hurt a little bit, but what irritated him most, was Peter talking back to him like that, swearing even. “You’re pushing me away just because I told you I’m gay, I can feel it, and you know what? You’re an asshole, judging people by their sexual orientation, you’re a homophob-“

Tony growled, yanking Peter around and smashing him against the bathroom wall before quickly closing and locking the door.

“Shut up!” Tony hissed and pressed the boy against the cold tiles, “I’m not… Don’t you dare call me something like that ever again!”

“I…I’m s-sorry, but… you can’t deny that you’ve been a-avoiding me. I-’m not fucking s-stupid, so stop f-fucking p-pretending like you don’t f-fucking h-hate me now.” Peter was outright sobbing now, suddenly more angry than desperate.

For once, Tony felt truly helpless. It was evident that he either had to push Peter away from him for good and break his heart, or… risk everything.

Maybe it was destiny that the teen chose this exact moment to struggle against the man still pressing him against the wall, brushing against Tony’s crotch feebly. It was almost like a switch turned inside the engineers head and his voice was hoarse when he spoke. “I really don’t hate you.”

“Oh yeah? Then what-“

Peter yelped, caught off-guard, when all of a sudden, Tony’s lips pressed firmly against the teen’s tender ones. For a second, the older man was afraid that he had misread all the signs, afraid, that Peter would freak out and fight him, but then, the boy leaned into him, responding to the kiss eagerly. Tony got more confident and brushed against Peter’s wet lips with his tongue, parting them slightly. The boy gasped, his hands grabbing the back of Tony’s neck when he tried to pull his head even closer, and the man took his chance and slipped his tongue into the small mouth, exploring it, turning the kiss into a wet, sloppy exchange of saliva. Peter was pressing against him so firmly that Tony could feel his crotch on his thigh. The sensation of the smaller one’s evident boner just slightly above his right knee almost made him lose his mind. With an almost frustrated groan, Tony broke the kiss.

“We… we shouldn’t be doing this,” he croaked, feeling horribly guilty. If he was being honest with himself, though, his main concern was not the fact that he had been French-kissing his sixteen-year-old mentee. In truth, he was worrying about something else even more.

Peter was looking at him through half-lidded eyes, panting from the fiery kiss.

“P-Please, Mr. Stark,” he said in a needy, high-pitched voice, “I…I…”

Tony thought he knew what he was asking for when the boy was rubbing his hard-on desperately against his thigh. That fucking kid.

Tony growled, painfully aware of his own erection trapped uncomfortably in his tight jeans. He grabbed Peter’s wrists to pull them off his neck and pressed them against the tiles left and right of the boy’s face. He kissed him again, even more demanding, rubbing himself against Peter’s lower stomach too now. After a few minutes, Peter was moaning almost pathetically.

“P-please,” he begged once again when Tony broke away and started to kiss his jaw line and neck instead, sucking faintly on the soft skin, careful not to leave any hickeys. He loosened the grip on Peter’s wrists and moved his hands down to the boy’s jeans, opening up the button and zipper, and slipping his right hand inside the tight boxers. He had barely touched Peter’s cock, when the small body started to shake violently, ripping deep moans from the boy’s throat. Tony stopped sucking on Peter’s neck and looked at the boy perplexedly when his load spilled all over the man’s fingers, smudging them as well as the inside of his pants.

The teen panted heavily, his face red from arousal, exhaustion and, probably, embarrassment. “I-I’m sorry, Mr. Stark,” he whimpered, “I…I didn’t…”

Tony pulled his hand out and stared at the thick ropes of cum on his fingers. Had the boy never been touched before? The boy was rambling, apologizing over and over again, until Tony shut him up with another, albeit short kiss. After they had pulled apart, Tony looked at Peter with a smug grin on his lips.

“It’s fine, I totally… understand. However, you think you can… help me out now?”

Peter stared at him, shy and a little uncertain still, but he nodded his head eagerly. “S-sure.”

Tony cleansed his sticky fingers with the towel right next to the sink, before unzipping his jeans slowly. It didn’t take long until it dawned on the kid, eyes fixed on Tony’s crotch, hands twitching. The man pulled both his pants and boxers down in one go and Peter’s eyes widened at the sight of his full-hardened cock pointing upwards.

“I…I’ve n-never… I mean, other t-than m-myself, but… I can try,” he said, both nervous and keen at the same time. He reached out, but before his fingers could wrap around Tony’s length, the man had grabbed one of his wrists and put his other hand on the boy’s shoulder, forcing him down on his knees gently, but firmly. The boy’s shyness and insecurity were so arousing, that Tony was leaking more precum at once.

Since the man was still holding onto Peter’s right wrist, the boy used his left hand to grab Tony’s cock. He wrapped his fingers around Tony’s shaft and swallowed anxiously when he brought his face close to the enormous length, probably wondering how it could fit inside his small mouth.

When Peter’s lips kissed the tip of his penis, Tony threw his head back, intending to close his eyes, before he realized… he needed to see this. This wasn’t Pepper or some needy sluts with fake tits trying to catch themselves a billionaire. Instead, it was everything he had ever dreamed (and been afraid) of. Even better (worse), actually.

He looked down and groaned when he saw, and felt, that Peter was slowly licking the shaft of his cock. It was obvious that the boy didn’t really know what he was doing, but his inexperience and innocence turned Tony on even more.

Finally, Peter went back to tip and stretched his mouth widely, obviously scared of scratching the flesh with his teeth. He moved his head forward and tried to take too much of Tony’s length down at once, making him gag after only a few inches. A moan escaped Tony’s lips and automatically, he fisted his right hand in Peter’s hair to hold him right where he was. The teen whimpered silently when spit gathered in the corners of his mouth, but otherwise stayed calm, even when Tony’s fingers yanked at his hair and moved his head back and forth along his enormous length. Since his right hand was still captured in Tony’s tight grip, Peter hold onto the man’s hip with his left one, presumably trying to steady himself while the engineer was slowly fucking his mouth.

Tony knew he should be careful and give Peter more time to adjust, but he couldn’t resist shoving his dick slightly further in, forcing more gagging sounds and spit from the younger one’s throat. It was music to his ears, and he felt that he was getting closer and closer. Tony didn’t intend to give the boy a warning, and so he pushed in one last time before his stomach clenched. His back arched when his orgasm was ripped from his trembling body, forcing his cock even further into the wet warm heaven that was Peter’s mouth. The boy yelped in surprise when Tony’s cock squirted out thick ropes of cum deep inside his throat, but he kept mostly still and gulped down as much as he could, still not able to prevent a few drops from escaping his mouth. It was evident that the boy wasn’t necessarily eager to swallow, but he probably had seen too much porn and thought it would impress Tony.

He wasn’t wrong.

After the man was sure that he was completely drained, he pulled his cock out of Peter’s mouth and tugged it back inside his pants. The teen slowly got up from the floor and Tony could only imagine how raw his knees must be feeling from kneeling on the hard, cold tiles all this time, but Peter didn’t complain or even wince. Instead, he was looking at Tony, smiling bashfully, and after a few seconds, he moved onto his tiptoes, leaning forward. Tony realized just in time that the boy was aiming for another kiss, and stepped back only seconds before their lips would have touched. Peter staggered when he leaned forward against nothing, and stared at the man bewilderedly.

“We, uhm… we should probably head back,” Tony said, avoiding any more eye contact with the boy. He had already turned around, when it came to his mind that he had to address it at least briefly. “This…will have to stay between us, kid.”

“I…I know,” Peter said quickly, “d-don’t worry, I… won’t say anything, but-“

“Good,” Tony cut him short and fumbled for the door lock.

However, Peter spoke again, his voice sounding hopeful. “Sir, I’m… I’m all… messy, maybe-“

Again, Tony interrupted him. “You can clean yourself at the sink.” Without another look back, he unlocked the door and exited the bathroom.

Notes:

I don’t know if this is any good, so please tell me what you think? <3