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Young Hearts Growing Fonder by theasternaut
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012), Usagi Yojimbo, Samurai Rabbit: The Usagi Chronicles (Cartoon)
11 Dec 2025
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Summary
Leo will be fine. Sure, he may have a big hole in his chest, and he’ll probably be out for the count for a while, but he’ll recover. He just hates that his brothers will be the ones to pick up his slack. He can only hope they’re strong enough to face the Godless on their own but he supposes it could be worse. He could be stuck in Neo Edo all alone, but thankfully he has Yuichi to keep him company. It won’t be all rest and relaxation, however. They still have the Council to worry about.
Series
- Part 2 of Trials Series
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"I Want You To Be Happier" by Purpleandbluelove24
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
09 Dec 2025
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Summary
After Leo breaks something of Donnie’s and Donnie says some things that hurt Leo’s feelings, Leo runs away. While Leo is on the run, Donnie works hard with the rest of the family to bring his twin home. But…does Leo even want to be found? Has Donnie broken their twin bond forever?
Series
- Part 36 of I love the disaster twins
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"Take My Heart And Don't Break It" by Purpleandbluelove24
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
08 Dec 2025
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Summary
Leo is struggling after the events of the Krang invasion. His intrusive thoughts invade his mind, but he lets Donnie in on what is going on with him. Donnie is now faced with an impossible decision on whether to keep Leo’s struggles a secret or to share it with Raph and Mikey. The answer might not be as clear cut as Donnie thinks
Series
- Part 34 of I love the disaster twins
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the thing about survival by taizi for Soldraws
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
08 Dec 2025
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Summary
Because Mikey’s not paying attention to what’s in front of them, Leo sees it first through the thinning fog. He thinks it’s a tree trunk at a glance, tall and slender and curving oddly where it rises above the others. Then it moves, bending as if in a wind, and by the time it twists around to face the car, Leo realizes it’s not a tree at all.
“What,” he says, feeling entirely too small in the open-top Jeep.
Mikey, who went through a dinosaur phase that lasted the entirety of his pre-teen years, points at it and declares, “Sauropod!”
“Animatronic,” Leo says, “right?”
“Right,” Mikey parrots automatically. Then, more slowly, “I mean, it has to be. Right?”
“Right,” Leo agrees, but his heart isn’t in it.
The first Jeep has slowed to an abrupt stop, and theirs slows to a stop behind it. The dinosaur trumpets at them, like the elephants at Mikey’s zoo, and half a dozen other slender necks rise out of the mist at the call to peer in their direction.
Or: Jurassic Park AU
Series
- Part 3 of the archer
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Operation: Undercover by Celestial_Ghost
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types, Samurai Rabbit: The Usagi Chronicles (Cartoon)
06 Dec 2025
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Summary
The rabbit seemed to snap back into focus, eyes back onto Leo’s. “Sorry, I'm bad with long speeches. Could you summarize for me?”
Leo squeezed his snout between his fingers, exasperated. “I need to see you again in a couple days.”
“Like a date?”
“Yes, like a–” Leo looked up frantically, blush spreading across his cheeks. “No, not like that! I'm worried about the severity of your injury!” He looked away again. “Look, is there somewhere we can meet so I can make sure you won't die from this?!”
“Wait what's your name?”
AKA Leo goes undercover as a battle nexus medic to try to uncover one of Big Mama's plots, but ends up treating a cute rabbit yokai instead
Series
- Part 1 of Operation Undercover
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The Journal of Hamato Leonardo (3) by Slady
Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012)
01 Dec 2025
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Summary
2012 “Teenage Mutant Ninja Turtles”
Daily updates for each episode of Season Three from the perspective of the turtle team leader Leonardo.
Series
- Part 3 of 2012 The Journal of Hamato Leonardo
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Where You Belong by Shattered_ontheInside
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles (TV 2012)
24 Nov 2025
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Summary
How does it feel to be so very alone and so very forgotten?
Why do you enjoy tormenting me?
I will answer your question if you first answer mine.
Leave me alone.
Answer the question, Leo.
No. Leave me alone. Allow me a shred of peace for once.
Answer. The. Question.
I don’t want to.
You don’t have a choice.
I never have a choice.
Answer me.
I won’t lose control of my own mind!
Leee-ooo. Answer the quessss-tion.
Why?
Answer. Me. How does it make you feel, Leonardo?
. . .
Despair.
Is that your answer?
. . .
Yes.
Good.
-or-
After being hit with a mystic attack that removes Leo's ability to communicate one unexpected turn after another takes his life on a downward spiral that rips him away from his family; seems to have no end; time and time again puts him face-to-face with the reality that where he is told he belongs is not where he wants to be...
and that makes him struggle with the answers to two important questions:
Can a hero be turned into a monster?
And does a murderer deserve forgiveness?
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Devil's mission by TooFanaticDreamer
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
16 Nov 2025
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Summary
He's not just ordinary. And he knows it. He's always felt different from everyone else. Everyone knew he was and treated him as such. But what if it's even more complicated than that?
He shouldn't have been here in the first place. But he feels like he could make a difference. He has a right to. But the others don't see it that way and wish him dead.
It's too late, because with his newfound past, no one will accept him and he's forced to leave his current home.
..Where will he go now?
.
♦️♦️♦️
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After a mutation in Draxum's lab, an unexpected guest joins the battle for the turtles. This causes problems and Lou Jitsu is unable to grab all the turtles. He escapes with only three and the fourth is grabbed by someone else. (Queen of the Nether world) A small turtle with red markings finds a home in the Underworld with the royal family.
But unexpected things happen in the little devil's life.(Maybe I'll make a better summary)
PS: Tags will be updated with chapters to avoid spoilers -
Nothing by Shattered_ontheInside
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
12 Nov 2025
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Summary
"You're pushing me away just like you always did!" Raph accused, earning him a scoff in contempt. But he went on anyway. "Why!? Why is it so hard for you to admit you're hurting too!? What are you so afraid of!?"
Leo opened his mouth as if to answer. But changing his mind he turned around to continue walking down the street. Raph followed, matching his slowed pace while Leo didn't have the energy to deal with another yelling match right now so listened instead.
"I want things to go back to the way they were before with us."
No response, Leo kept on walking.
"Or if they can't go back that way there's nothing saying we can't work on this, together."
For reasons he didn't quite understand Leo walked straight past his apartment building, continuing on down the wet New York street.
"I don't want to leave things they way they are between us. It's been too long, don't you think?"
. . .
🔹🔹🔹
Whumptober 2025 - #26 "Nothing Like a Relapse to Rehash the Kid who was Scared"
prompts: power cut, drawn curtains (ch 1); relapse (ch 2)
Series
- Part 16 of My Whumptober 2025
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Hollow Echo by cupfee for qolden
Fandoms: Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles - All Media Types
08 Nov 2025
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Summary
Shredder would destroy the Hamato clan from within. An infection would eat away at them little by little, until nothing remained. His intention was clear: he aimed at the captain of the ship.
But the responsibility for pulling the trigger wouldn't be his.
or
I turned caged lunges by golden into a multiversal event.
Series
- Part 1 of metamorphosis
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Weightless on the Rooftop (Will I Fly?) by lil_lavender3
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types
07 Nov 2025
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Summary
He didn’t feel…anything.
Not the persistent dread, not the crushing weight of his own failures and guilt. Not even the constant fatigue from having to wake up every morning.
Maybe he would have felt happy, if he could.
Or,
Leo get’s cursed and is…happy about it? Will he try to undo it, or will it be the death of him? -
your royal blood was never meant to decorate this sand by Bean (elyrey)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
29 Oct 2025
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Summary
He did really want to go experience Día de los Muertos, but he wanted Donnie to come too. Partially because he worked really hard to help Señor Hueso set up and he wanted his mate to see his efforts, but also because from what he knew, it was a really cool concept.
Leo had spent a lot of time after the invasion thinking about death. But it wasn’t his own death he’d been so preoccupied with.
You want to know what really happens to your brothers in the future? They die. Everybody dies fighting the Krang.
Day 28: Día de los Muertos
Series
- Part 27 of october tcest prompts 2025
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i'm around (through every mood) by Bean (elyrey)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
25 Oct 2025
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Summary
Halloween was approaching and his twin, usually excited for the holiday, was still struggling with his mental health. The softshell wanted to do something for his new mate, he wanted to see a true smile on his slider’s face.
Spinning his chair idly, his gaze flicked around the room, mostly lost in thought but also looking for ideas. His eyes caught on the cozy nest set-up on the spare bed, where he and his twin would curl up to watch movies when they both struggled to sleep.
That’s it! Nostalgia movie night.
Day 25: Halloween Movies
Series
- Part 24 of october tcest prompts 2025
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everyone hail to the pumpkin king by Bean (elyrey)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
19 Oct 2025
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Summary
Leo hummed and scrolled through. “There actually is a Pumpkaboo stencil.”
“Amusing but also feels expected to carve the pumpkin Pokémon on a pumpkin. What else?”
“There’s a Litwick and a Chandelure, one each for the Zubat line, a couple of Pumpkaboo and a Phantump, and the Duskull is kind of fun. I like the Cubone stencil too. There’s one for Drifloon, and one for Shuppet. I think Alolan Meowth is dark? Either way, there’s a stencil for that one too, and one for Alolan Marowak.”
Donnie hummed. “A fire/ghost Pokémon would be rather amusing, but keep going.”
Day 19: Jack-o'-Lanterns
Series
- Part 17 of october tcest prompts 2025
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The Pain Inside by Shattered_ontheInside
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
14 Oct 2025
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Summary
Oh the horror, the horror, Mikey was looking at him - he must have opened the door without Leo hearing!
"How-long-'ve-you-been-standing-there!? What-did-you-see!?" the panicking slider defensively blurted out.
His back was to his bedroom entrance - meaning his arm and the seemingly never-ending flow of blood drizzling onto his desk was hidden from view by his shell.
So if Mikey hadn't been present for the actual moment Leo used his very own sword to cut himself there was the real possibility his little brother who was looking right at him had no idea he was actively bleeding all over his desk right this very moment.
🔹🔹🔹
Whumptober 2025 #8 - "Oh horror, oh horror, what did you see?"
prompt - self-inflicted injury, held at gunpoint
requested by: Don_a_tello (thanks for the request! I had a lot of fun writing this 😃💚🐢)
Series
- Part 8 of My Whumptober 2025
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baby, you don't have to live your life in fear by Bean (elyrey)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
13 Oct 2025
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Summary
“Hey, no, look at me,” Donnie snapped — vocally and literally, fingers inches from Leo’s face. “I need you to answer me something, but it’s a simple yes or no. Can I hold you?”
Leo nodded, ashamed. He felt Donnie’s arms wrap around him and haul him into his lap. He tucked his head into his twin’s neck.
“I know you, sometimes better than I know myself,” Donnie said, voice low as he rocked them slightly. “You only break down like this when you start spiraling. Whatever it was, it’s wrong.”
“Can’t do anything right,” Leo whispered, hoarse from crying his heart out. “Fucked up macaroni, just like everything else. You’ll realize it soon, when you’re not scared of losing me anymore. You’ll remember that I’m incompetent, and this just proves it.”
Day 13: Cooking & Fears
Series
- Part 12 of october tcest prompts 2025
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i didn't die at twelve, i guess i'm here 'til ninety-three by Bean (elyrey)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
11 Oct 2025
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Summary
“Speaking of birthdays,” Donnie began, a cautious note in his voice, “ours is tomorrow, but you don’t seem to be looking forward to it. What’s on your mind, if you’re willing to share?”
Leo continued staring at the ceiling. “Nothing’s wrong per se, and I am excited about tomorrow. I just got caught up reflecting today, I guess.”
“On?” Donnie asked. “What’s going through that head of yours?”
The answer was going to bring down the mood. “I don’t think you realize just how much you all saved me, after the invasion. Dee, growing up, I never thought I’d live to see our eighteenth birthday. Now we’re turning twenty-eight tomorrow, and I’m still alive.”
Day 11: Future
Series
- Part 10 of october tcest prompts 2025
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if you love me, don't let go by Bean (elyrey)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
10 Oct 2025
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Summary
Leo’s twin, other half, best friend, mate. Leo’s partner had been locked away in his lab for two, going on three weeks, so absorbed in his projects for eighteen days that he hadn’t had any time for his lover.
So yes, Leo was irritated. Hell, Leo was a little bit angry, if he was being honest. But if he was being honest, he’d have to admit that, more than angry, he was lonely and sad. He felt neglected. So he was choosing not to be honest, even to himself, and would only go so far as to admit that he was irritated.
Day 9: Fighting & Spanking
Series
- Part 8 of october tcest prompts 2025
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i could be a better boyfriend than him by Bean (elyrey)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
09 Oct 2025
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Summary
Survival training, yeah fucking right. Those motherfucking bastards claimed Leo repeatedly. They claimed Donnie’s fucking younger twin. The twin Donnie had declared dibs on years before those thieving sacks of shit even showed up!
Donnie snapped. If he couldn’t claim Leo first, he’d just have to claim Leo publicly.
Day 8: Public Sex
Series
- Part 7 of october tcest prompts 2025
- Part 3 of i'm your past (your present), you're my future
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and just like the rain, you cast the dust into nothing by Bean (elyrey)
Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018)
07 Oct 2025
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Summary
“I finished the day, love,” he said softly, trying to coax his twin out of his shell. “I’ll save and we can stop here. We don’t have to continue this game.”
The reply came from inside the shell. “But you were curious about it.”
Donnie sighed, still stroking the shell. “I can continue it another time.”
The response took longer, but it came as Leo just barely popped his head out. “But… it’s your turn to choose for date night. I don’t want to ruin your date night choice.”
“It is my night to choose, isn’t it? Thank you for that excellent reminder, love. I think, for the rest of our date night, I would love to soothe my mate in a hot bath for two. That sounds like a wonderfully relaxing date night,” Donnie said.
Day 7: Bath & Horror Games
Series
- Part 6 of october tcest prompts 2025