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Playing Big Brother

Summary:

the one where Shoto’s twin sister decides to go spend some quality time with her big brother Dabi (IE: gets kidnapped and raped and probably stockholm syndrome). AU canon divergence, everything is the same except Shoto has a twin sister who was rejected for hero training after years of abuse beside her brother. mind the tags, heavy noncon

Notes:

(See the end of the work for notes.)

Chapter Text

When your mother became ill and left for ‘treatment’, you and Fuyumi took up most of the wife and mother responsibility. It was up to you to cook and clean, and look after your brothers who seemed to care less. Fuyumi often did the cooking and because you were youngest (born two minutes behind your twin brother Shoto), you were often made to do the grunt work like cleaning and taking trash out. Before Enji had removed you from training with your twin, you didn’t have to do any chores, and sometimes you missed it. Not in the way you missed the abuse and pain, but you missed the attention- and what you often mistook for affection. You missed the way you and Shoto used to bond, and it was like you could feel when he was upset or hurt. He could look at you sideways and make you smile, even if Dad was pushing your face into the ground.

By the time you had reached high school age, it seemed like everyone was gone. Shoto was at his fancy hero school, and most nights it was just you and your sister. Your dad seemed to hardly notice your presence anymore. You assumed he didn’t like you, or that your quirk wasn’t strong enough for him to even care. Training with your twin hadn’t exactly smooth sailing, and your father often compared you to your older brother Touya who had burned out of training years before you. Your abilities were much lesser than your twins’, but your power seemed uncontrollable. After you reached puberty, dad seemed to give up on the idea of you being a hero at all. You often were relegated to watching or playing with your brothers to pass the time.

Where Touya got mad at your father’s rejection, you took it more internally. Touya would burst into blue flames, and torch the things he loved; where you would sit silently and burn yourself to numb the pain. It felt like there was something wrong with you, that you would never be good enough, or even measure close, so why bother? After you got to high school, you tried to stop hurting yourself, but breaking the habit was hard. By then, Touya had already burned himself to death and you didn’t want to be next in line.

You and Shoto were on solid terms, as usual. You never argued or fought like the normal sibling relationship, but since you were at different schools it was hard to keep consistent communication. So when he texts you, asking to hang out after school one day, you get slightly concerned. It wasn’t like him to want to ‘hang out’, and you could feel a strange nervousness in the pit of your stomach. You couldn’t place it, and had conveniently forgotten to check your email for a few days. If you had, you would have seen a lengthy message from your twin about how he’d recently fought face-to-face with the League of Villains and accidentally lost his cell phone in the process. Maybe your one fatal mistake was not putting email notifications on.

By the time you got over to the address he texted after class, the nervousness had grown into dread and anxiety. You were over in the industrial area, by all the warehouses and vacant buildings. You couldn’t imagine why Shoto would want to meet in a place like this so you hesitantly text him before exiting the bus. He assures you the address is right, and that he’ll meet you a few blocks over.

As you stand on the curb, looking confused and slightly concerned, a man approaches. You can tell immediately he’s not your twin, but he looks at you like he knows you. You can feel his gaze on you as you nervously check your texts again, trying to be invisible.

“Y’know,” He smiles underneath his mask, “I don’t think this is the best area for a little young thing like yourself. You might get kidnapped.”

Before you can glance up from your pone, the masked man has you pinned to him. He grabs your arms and pulls them behind your back, eliciting a shriek from you as you drop your phone to the pavement. He pulls your arms back and up, bringing your back to him, it feels like the bones could snap at any moment.

“Why don’t you be a good little girl and come with me?” He pushes you forward, making you gasp again in pain.

“Who the fuck are you?” You try to dig your heels into the pavement, knowing there is bound to be another bus here soon. You try to ignite your quirk, but the attacker only pushes you forward, ignoring your pathetic attempt at flames. By the time you reach the other side of the street, it feels like he is dragging you by your shoulders. When you see the open garage door he is heading toward, you start to resist again. He pulls one of your arms backward in a jerking motion, and you can hear a small cracking sound before the electrifying pain shoots through your whole body.

You start to scream as he physically kicks you inside the dark building, and you try to fall on your other arm. As he steps toward you, the garage door behind him closes ominously.

“What the fuck?” You scream, fighting back the tears brimming at the corners of your eyes, “You just dislocated my fucking shoulder!”

“Calm down, I’m gonna do a lot worse too if you don’t shut up.” As your eyes adjust to the darkness, you can make out the faint outline of several other figures standing in the room with you.

“You sure this’ll work?” Someone asks out from the corner. You turn your attention to your shoulder, trying to figure out how much damage there is. The man who attacked you looks over to the person who spoke and nods.

“Don’t worry, if I know anything about that little brat, is that he’ll come running the moment his other half is gone. Kid’s in love with her.” He seems so self-assured, and his voice sounds almost familiar. As he turns back to you, you meet his icy cold gaze and an involuntary shiver goes down your spine. You’ve seen those eyes before.

“Do you wanna join in, boss?” The man starts to remove his mask and you get distracted from his voice by the scars and staples littering his face. He looked like a zombie, half stitched up with dead skin, and you tried not to stare. “I promised I’d let you.”

“Nah, this is your job. Maybe after we can all have some fun together,” Another voice chimes in from the background, and you start to wonder if you are going to make it out of here alive. As your kidnapper wanders over to the bystanders, you remember you dropped your phone in the street, the only device capable of tracking and transmitting your location.

When he comes back over, he crouches on the floor beside you as you try to avoid looking at his eyes. There was something too familiar about him. He brings a hand up to your face, and you jerk back reflexively before he tucks a piece of hair behind your ear. He laughs mockingly, and your brain lights up with recognition. You’ve heard that laugh before. As he moves his hand behind you, you look up and meet his eyes, and he grins at you.

“Touya?” Your eyes are brimming with hope and excitement and he arches an eyebrow looking down at you, before aggressively shoving his palm down on your dislocated shoulder and popping it back into place. You scream and he laughs again, happy your eyes are now full of pain instead. He curls down over you, bringing his burned lips to your ear.

“Actually, I go by Dabi now,” He whispers, your head starts swimming and you don’t realize he has injected you with something until you fall to the floor, hitting the concrete as you hear giggles and laughs from the onlookers.

 

When you awaken, you have no idea how much time has passed. You look around, hands bound above your head and appearing to be chained to some sort of mattress. The room is empty and you have no idea where you are, it almost looks like a beaten-down motel room. You try to run through your escape options in your head before you hear muffled voices from outside the door approaching.

“-not so sure this is gonna work”

“Calm down, I’m telling you it’ll work.”

“Why so much effort for just the one kid though? It’s not like any of those UA brats matter anyway.”

“You know that’s his daughter in there right? The kids twin? Who do you think we are actually putting in this effort for?”

A third voice cuts in, you recognize it as your brother.

“Shut up, just give me the SD card.”

Everything falls quiet for a moment and the only thing you can hear is the sound of your heart thumping in your chest. The door opens and you can hear the sound of footsteps leaving as Dabi walks in, camera in hand.

“Oh, you’re awake.” He paused, looking like a deer in the headlights, “I forgot how quickly you heal.”

You don’t know what to say, just stare at your older brother blankly. There are so many questions racing through your mind, but you don’t know how to voice any of them. Where has he been all these years? What happened to him?

“Random question, but are you a virgin?” Dabi turns his back to you, placing the small camera on the empty dresser opposite the bed. He fiddles with for a few seconds before looking back over to you. You look shell-shocked, dumbfounded at his question but nodding blankly.

“Touya,” You pause, his name sounds so foreign on your lips after all these years thinking he was dead, “What happened to you?”

“That’s not my fucking name.” He presses a few buttons on the camera and then looks over to you, “Don’t call me that. Call me Dabi. Don’t make me tell you again.”

“Or what?” You feel slightly emboldened, remembering that you had seen him on the news. All this time he was out here alive, playing the villain.

He swings the back of his hand across your face with one solid and quick smack, leaving your cheek stinging and red. You bite back any reaction, refusing to give him what he wants, but the tears brimming at the corners of your eyes give you away. Maybe that’s why Touya always liked you, you were so easy for him to read.

“Or, I’ll burn you alive just like I did to Touya.” He glares over you before looking back to the camera and remembering he was supposed to be doing a job. It’s okay, he could edit that part out later.

“We have the same flames, dumbass.” You try to sound confident but know it’s a lie, and Dabi sees right through you. He grins with a lopsided smile, placing the palm of his hand down on your jacket. As his quirk unleashes, you can feel the heat on your body and realize that maybe baiting him was not the best move. As his quirk burns through your clothing and skin, you try to counter by using your ice and balancing out the heat, but it doesn’t last long. Dabi stops, pulling his hand back from your now naked flesh. You try to cover yourself, embarrassed before looking at the camera.

“Now you know that’s not true,” He pauses, looking down at you. He has a hunger in his eyes, like an animal about to devour their prey. “Now, I picked you up because I wanted to show Shoto something. I want him to see this.”

You heart starts to race as you put the puzzle pieces together. Dabi, however, isn’t waiting for you to figure it out, as he shrugs his jacket off and pulls off his belt before turning his attention back to you. The chains aren’t taught and you think for a moment about just trying to run but you know you wouldn’t get far. And even with your ice, you were no match for Dabi’s flames. With your hands bound together, Dabi pulls at the chains until you are sitting at the very edge of the mattress, directly facing the camera.

“You see, I know Sho’ really well.” Dabi climbs onto the mattress behind you, looking over your bruised shoulder into the camera. He brings a hand up, pulling your hair out of your face so the camera can get a better view. You flinch slightly as he then wraps his fingers through your hair and pulls your head back, exposing your neck and bare chest to the camera. “I know he used to fantasize about you, probably still does, pawing himself in his little dorm room at UA.”

“That’s not true,” You almost whisper, horrified by the accusation.

“I bet you think about him too,” Dabi’s hands start to wander over your body, grabbing any part of flesh he could find, eventually settling on groping your tits. “Goddamn I bet you’ve been saving yourself for him too, huh?”

You gasp as your older brother squeezes you, and pulls you back so you are awkwardly laying on him, your hands still bound above your head. His hands wander farther down and you can feel his thick erection pressing into your back. As his fingers start to drop between your legs, you can feel your breath coming faster. No, this isn’t right. This isn’t how it was supposed to happen.

“No,” You say quietly at first before Dabi kisses your neck and starts rubbing your clit. You try to squeeze your legs together, to force him away from you, but it doesn’t work. If anything, your struggle turns him on more. “Touya no, please stop.”

He stops touching you abruptly, and moves out from under you leaving you face-up. As he stands above you and brings his face down to you, you realize how much worse this is as he cowers over you.

“What did I fucking tell you?” He asks, eyes ablaze with fury. He seems so much bigger than you now that his is an adult. As he grabs you again you can’t help but cry out.

“I’m sorry, please. I’m sorry Dabi.” He grabs one of your legs and pushes it to the side, ignoring your pleas and protests.

“You will be.” He aggressively shoves a finger inside you, and you yelp at the painful intrusion. You hadn’t lied earlier and Dabi knew, you were tight. Despite his hard on, he tries to pump his finger in and out softly, warming you up. He traces circles around your clit with his thumb and it isn’t long before you are gasping for air, moaning and riding his hand. Your brother laughs, using another finger to assault you before deciding that he wouldn’t wait any longer. He wasn’t here to make you come, after all.
You open your eyes as he pulls his fingers out and begins to fiddle with the top button on his jeans. Nervously, you try to sit up in protest, but as his cock jumps out you lose all the words in your vocabulary. It was bigger than anything you’d ever seen, ten times bigger than the tampons you still struggled with sometimes. Rationally, you knew you should be terrified, but you couldn’t help but feel the warm wetness dripping from your core.

“Please, Dabi.” You try again, still looking directly at his cock, “Please don’t do this.”

He doesn’t respond, only looking down to position himself at your entrance before feeling your wetness at the tip of his cock, he fights everything inside himself not to just impale you then and there. He wanted to fuck you good and dirty, the way Shoto never could. He wanted to hear you cry his name, knowing he’d taken the one thing from you that Shoto always wanted. But, some small part of him also wanted to kiss you and cuddle you, and protect you in the way Shoto couldn't. He wanted to hear you moaning, asking for him to go faster, and to make you cum all over him. He knew it was fucked up, you were his kid sister. He couldn’t help himself as he slid his cock into you slowly, tearing through any resistance he met.

You scream a bloodcurdling scream when he invades you, and it feels like he is ripping you open from the inside. He tries to go slowly, and once he is fully sheathed inside of you he tries to hold out as long as he can despite your cries. You feel violated, as he pushes himself deeper inside of you. You can feel his cock hitting something and your belly jiggles when he pushes in completely, making you feel fuller than you ever have in your life.

As your brother pulls out of you, he curses under his breath at how tight you are. The sight of blood on his cock doesn’t stop him as he picks up a steady pace, hardly allowing you any time to adjust to his massive size.

“Fuck,” He murmurs, trusting into you harder. You can feel the tears spilling over your cheeks now, as the blinding momentary pain is replaced by a sick feeling of pleasure. “Fuck your pussy is so tight.”

You can feel your head bobbing up and down as fucks you mercilessly, and you try to arch your back instinctively. You don’t want this. You don’t want to enjoy this. But your body is betraying you as you feel Dabi consuming you from the inside out.

“Dabi,” you moan breathlessly, eyes rolling back in your head. “Fuck, please Dabi.”

That seems to encourage him as he picks up his relentless assault on your pussy, and starts using his fingers to rub your clit again. He doesn’t really much care if you cum, but he wants to see how tight you can really get.

“You’re mine now,” He says, not really knowing why. He didn’t mean to say it, but he didn’t regret it. Before allowing another thought to cross his mind, he brings his lips to your neck and starts to suck.

With Dabi assaulting all your senses, the only thing you can feel is him. He is everywhere, he is inside of you, there is no escape. The pain shooting from your core was mixing with pleasure and you didn’t dare ask him to stop. As he sucks on your neck, you can feel the pressure building in your core. You don’t know what’s happening and you try to hold everything in, thinking you are about to pee. But as Dabi’s thrusts become more and more chaotic you can’t seem to stop yourself from letting out a loud moan and cumming all over his cock. He doesn’t let up his frantic pace, only looking down at you with a devilish smile on his lips. As your walls tighten around him, he aggressively fucks you a few more times before lifting your hips up and pushing himself as deep inside you as he could, ripping through any last bit of resistance. You let out another cry as his cocks twitches and pumps you full of his seed.

Your ears are ringing, and the only thing you can feel is your older brother. His cock is moving inside you, and you swear you can feel his heartbeat reminding you he is actually alive. You both stayed like that for a few moments before he gets soft and pulls away. You immediately feel cold and empty.

He tucks himself back into his jeans and walks over to the camera, pushing a few buttons and then setting it down again, apparently satisfied. He pauses, his back to you, not really knowing what to say. He hadn’t planned for how this would all end, and he didn’t really want to kill you. You try to roll over on your side, ignoring the blood and cum smearing on your thighs, you didn’t want to look at him anymore.

A pregnant pause filled the room before your older brother turns back towards you. His icy blue eyes take a look over your burned, bruised, and bloody body before he picks up the camera and calmly walks out, not bothering to lock the door behind him.

Chapter 2

Notes:

(See the end of the chapter for notes.)

Chapter Text

Dabi didn’t return for hours. You had curled into a ball, trying to use your quirk to keep yourself warm. You thought long and hard about just lowering your temperature and freezing yourself to death, but hadn’t really come to a conclusive decision about wanting to live yet. The only thing stopping your mind from wandering to self-destructive thoughts was thinking about what had happened to Touya. You kept playing it over and over in your head, the day you found out he died. Now your mind raced, thinking of this stitched up monster calling himself Dabi wearing your brother’s skin. Where had he been all these years? What was wrong with him? Did Shoto know he was still alive? When you finally did manage to cry yourself to sleep, you had nightmares about Touya violating you with all his skin burned off.

Dabi decided he didn’t want to kill you, at least not yet. Maybe at first, it was the idea that he could ‘accidentally’ trash the tape, so you’d be forced to re-film the entire ordeal. But Dabi couldn’t imagine giving up the only tape that had proof of him taking his youngest sister’s virginity and making her come at the same time. Just the thought of watching it made it him hard, and he hadn’t had a good fuck like that in a long time. No, he decided he wasn’t done with you yet. Before he hands over the tape to Shigaraki, he is sure to make an extra copy for his own viewing.

When Dabi opens the door to your room, he’s isn’t sure what he is expecting to find. Or maybe he just isn’t expecting you to be sniffling like a child while curled up asleep on a dirty mattress. He almost pities you, thinking back to when Rei had brought you and Shoto home from the hospital the first time. Your faces were pink, and you both seemed inseparable. In the beginning, he remembered thinking you were kinda cute as a baby. But when you both got older, he grew more and more envious of the bond you both had with each other. Maybe it was the animosity over being told he wasn’t good enough to replace the number one hero anymore, or maybe he felt it was unfair for you to have a partner while he had to endure your father’s wrath alone. Either way, he didn’t realize it had been bubbling to the surface for a while.

As his tall frame loomed over the mattress, he started thinking of the best way to kill you. He could get revenge on Enji by fucking you until you were nothing but a burnt shell, a smoking corpse of Enji’s own creation. In reality, you didn't mean that much to Enji. You meant more to Shoto and then by proxy, Enji. But Enji could care less if you were just a victim in all this tragedy. Dabi probably knew that, but liked the idea of fucking you in order to anger both of them. In his sick, twisted mind the idea of raping you was was just as good at raping Shoto or Enji. Maybe he wanted to claim you in the same way Enji had claimed Shoto, to just create more and more chaos and resentment between the family. Or maybe in his own sick mind, he was trying to save you from them altogether.

Dabi snaps his fingers, igniting a spark and your eyelids lazily flutter open. He says nothing, only watches your blank expression meet his. You don’t look scared, or angry, or upset. You don’t even look like you’ve been raped, except for the blood smeared down on your thighs. You have a vacant stare, as if you are already gone. When Dabi looks into your eyes, he sees his own dead reflection staring back. The spark between his fingers disappears and his hand falls to his side, deflated.

“Am I not even worth dying by your fire?” You don’t know where that came from, or why it came out, but you supposed trauma made for honesty. At least, that’s what you learned from Enji. You had a big mouth, even more so when you feel you have nothing left to lose. And in all honesty, you did feel worthless. You had been saving yourself, certainly not for your brother.

Dabi’s eyes go wide, he blinks a few times, staring down at your defeated body. It’s like you were dead already. You don’t even have a moment to breathe before he is gone from the room again, in an instant. When he returns a few seconds later and drops a stack of blankets at the foot of the mattress, you don’t say anything. He comes over to your side and reaches up to un-chain you from the mattress, producing a key from his jacket pocket. When your arms fall limply to your sides Dabi moves to throw one of the blankets at you. You catch it awkwardly, still straining against the pain in your previously-dislocated shoulder and as you wrap yourself in the blanket, Dabi comes over to help you stand. You don’t recoil from his touch, although you think you probably should. As he helps you get to your feet, you grab onto him for support before looking up at your older brother quizzically. None of this makes any sense. Why do you still feel safe with him?

“We’re just gonna go down the hallway,” He explains, in a familiar authoritative voice. “You need to wash off.”

You let him take you from the room you have been chained in, and feel his hand on the small of your back as he guides you through the unfamiliar hallway. There were no other sounds, and you had a hard time figuring out where you actually were, it didn’t seem like a house at all. Was this the infamous hideout for the League of Villains?

As he opens a door at the end of the hallway and guides you inside, you can see a shower with a tiled wall to your left and a sink on your right. You thought it looked almost like a hospital, but said nothing as Dabi turned the lights on. When he shuts the door behind you and walks over to turn the shower on, you make no move. He reaches his hand out under the water, testing it, before shrugging his shirt off and leaving it on the large sink by you. The room had no barrier, it just had a sink and shower with little space between them for the door you just came through.

“I’m not going to kill you,” Dabi says quietly, as you slowly allow him to take the blanket that had been covering you. He tosses it to the sink and then reaches behind you to lock the door. You feel so exposed standing naked next to him, and you can feel the steam from the shower prickling your skin now. As Dabi stands by the sink and takes his pants off, you try to cover yourself with your arms and walk under the shower of warm water.

“Why?” You ask, tentatively. He shrugs his boxers off and you try not to look at his cock again, but happen to notice an odd red discoloration that looks like blood. He walks a few steps into the shower with you and you take a step back into the cold tile wall reflexively. Smiling, he wraps an arm around your waist and pulls you under the water with him. You exhale slowly, feeling dizzy. It’s like his very presence made your body electrify. Despite all the staples and scarred skin, he still ran warm just like when you were kids. You remember how amazed you were with his blue flames, you'd sit and listen to him proclaim he would be the next number one hero for hours. It had seemed like so long ago.

“I dunno yet,” He answers honestly, placing an impromptu kiss on your forehead. “I haven’t quite decided. But I think I missed my baby sister.”

You smile, and allow yourself to be enveloped by his intoxicating hug. You know this is dangerous, you know this isn’t good. But you look up anyway, and with tears in your eyes you ask your older brother, “Does this mean Touya is still in there somewhere?”

Dabi laughs in a way that should probably answer.

Notes:

kudos & comments are appreciated <3

Chapter Text

Dabi had forgotten your true nature, as he was blissfully loving the submissive innocence you showed him. By the time he had ‘died’ you had started burning, freezing, and cutting yourself to numb the pain of not being good enough. He didn’t notice the scars even as he was fucking you, just relishing in the idea that he was the one to ruin you. In reality, you’ve been using physical pain to numb yourself for a while.

When Dabi brings you back to the room with the mattress, you feel the cold knot in the pit of your stomach again. The idea of being chained again seems horrifying, and you look to your brother with wide, fearful eyes as he pushes you back toward the mattress.

“Please, Dabi,” You make sure to use his new name, “Please don’t chain me again.”

He looks at you with one eyebrow raised and you move over to sit on the mattress obediently. You try to look helpless, still only having a blanket to use to cover yourself. It reminds him of how you looked as a child, just innocent and trusting.

“Are you going to be a good girl?” He asks, cocking his head, “You won’t cause me any trouble, right?”

You nod your head frantically; your plan is working. He smiles, believing you for some odd reason. Maybe he wanted to believe you were enjoying this was much as he did, or maybe he saw this as an opportunity to test you. But either way, He takes the key from his jacket pocket and places it on the dresser before looking at you again.

“Okay,” He paused, “I have some work to do, but I’ll be back later. Don’t do anything stupid while I’m gone.”

As he walks out, his mind is already playing through fantasy of taking your virginity earlier. He couldn’t believe he had waited this long, when you had been sleeping in the bedroom opposite from his for years. He imagined the idea of fucking you while you slept, little face buried in pillows and the idea that your pussy could have been even tighter at some point. It made him hard again.

When he locks the door behind him, you sigh in relief. You start to look around the room for anything that could help aid your escape. The dresser is completely empty, except for the key Dabi placed on top. You manage to find a few beer bottle caps under the bed and decide that would do perfectly for what you had planned.

In all reality, your quirk was powerful enough that you probably could escape, you could absolutely burn down this whole building with everyone inside. But with the years of abuse and Enji’s harsh words, you have been led to believe you really are worthless. At some point, you started believing it, you had decided that you were going to live a normal life away from heroes and villains.

As your fingers start to heat up the metal bottle cap, you imagine what Enji would say to you, if he could see you now. He’d probably shake his head and lament how stupid you were to allow you older brother to crawl between your legs and take the one thing that never should have belonged to him. Enji would chastise you, for not just spreading your legs but for enjoying it. He would say you are weak, and that you don’t belong in the family, that you are worth nothing, even less than nothing now. The bottle cap slowly turns white and you press it firmly down on your left forearm, watching the skin sizzle and bubble. By the time the smell of burn flesh and blood reaches you, it feels like you can breathe again. You move the cap to a fresh patch of skin and begin the process again, waiting until the smell hits before you exhale. After a few rounds of this, you are able to breathe fully and you feel like a weight has been lifted. You take a few shaky breaths in and out, trying to understand what is actually happening.

A plan starts to form in your mind, you could use your ice quirk. If you cooled your body to a low enough temperature that Dabi thought you were dead, maybe they would just dump you somewhere and leave it alone. But then you remembered the voice that called from the darkness the other day, the familiar voice you had definitely heard on TV before. And while you somewhat trusted Dabi’s sanity, you had no idea if the League of Villains would be satisfied with your apparent corpse. They might just be crazy enough to fuck around with a dead girl.

You manage to get up from the mattress and lock eyes with the door at the end of the room. When Enji had been on a particular rampage, you remember freezing the locks on your bedroom door, trapping yourself in order to fend him away. You didn’t know if it would work, but tried anyway. It’s difficult to focus on both the freezing and the fire, and you and Shoto both knew, but by alternating between heat and cold you can feel the bolt in the door start to nudge and loosen. After about five minutes of this, you hear the lock pop open and feel a bolt of adrenaline through your body.

You stand still, afraid to move. Some part of this felt like a test, and you weren’t sure if you were capable of escaping since you had no clue where you were. You could just end up running right into the League of Villains down the hall.

After a few minutes of just staring at the unlocked door and contemplating, you decide to make your move. Slowly twisting the warm handle in your grip, you peak through the crack in the door to see a grotesque face smiling back at you. Dabi leans against the opposite wall and you catch sight of the staples in his face before shutting the door abruptly again. Fear twists in your gut as you hear him moving.

“Oh come on now,” You head Dabi taunt from the other side of the door as you scramble your way back onto the mattress. “Did you think you could escape that easily?”

He throws a huge fireball through the door, sending it back and throwing it against the far side of the room. You instantly crawl as far back on the mattress as you can, feeling the intense heat from the blue fireball. The flames lick up the side of the broken door now on the floor as Dabi steps inside the room and admires his handiwork.

“I’m sorry Dabi,” You say as he locks eyes with you from the doorway. “I’m sorry please I’m sorry. I wasn’t gonna escape.”

“Liar,” He spits at you, “You were going to leave me, just like everyone else.”

As you feel the heat from the flames more and more, Dabi crawls on the bed and over your trembling frame. You try to cool your body down, knowing whatever he has planned isn’t going to be fun. Instead of restraining your arms again, Dabi grabs you by the throat with one hand and squeezes hard. As he straddles your hips and you struggle to breathe, you notice how his eyes match the same color as his flames, both burning bright like when you were kids. It was like nothing had changed.

“You’re not going to leave me,” He says quietly and you lock eyes with burning intensity. You start to cough, and your eyes begin to glaze over as he heats his hand up hotter and hotter. You don’t feel anything really, as you dance in between living and death. Your vision goes black and the only thing you can smell is the scent of burnt flesh again.

Chapter 4

Summary:

I'm so sorry this fic came to me in a fever dream and i need to get it out

Chapter Text

When you awaken, you can’t feel or smell anything. It takes some effort to open your eyes, and your body feels sluggish not responding to what you want it to do. As your eyes adjust and you manage to turn your head, the first thing you see is your brother’s disfigured smile. He sits in a large armchair beside you, and in your peripheral you can see a window frame behind him. You blink a few times as your surroundings become less blurry and Dabi starts to stand up.

“Sleeping beauty is awake,” You hear a strange voice, not your brother’s. As you turn your head to see who is speaking Dabi makes his way across the bedroom floor. A pale, tall man hung on the doorframe in the opposite side of the room, and his eyes were locked on your body. It wasn’t until then that you noticed you were still naked, and that the sensation in your body was still not back. It felt like you were fighting through mud just to keep your eyes open. If you hadn’t been drugged to high heaven, you probably would have wished for it. As you lay on Dabi’s somewhat clean sheets and the blisters on your neck start to bleed, you watch as your brother hands the creepy guy some cash and then pushes him out of the room aggressively.

You dip in and out of consciousness for a while, there in your brother’s bed. Once you wake and hear the sound of someone using the shower, and in your delirious state you think it’s Shoto in the next room over. At one point, you try to move before your eyes flutter open to see your disfigured brother lying next to you. You don’t know if it’s a dream or a nightmare.

For Dabi, having you half-awake in his bed at his disposal is pretty much the best dream ever. You can’t protest when he touches you, slips a finger inside you, or even burns you more with his flame. He taunts you, whispering terrible words into your ear while he pulls his cock with fever and shoots his hot cum all over your sleeping face. He feels the post-nut clarity and almost feels guilty after a while of this, getting annoyed at your apparent lack of a reaction. It isn’t until he’s forced his dick halfway inside you again, when you actually start blinking and opening your eyes. You awaken to see the reanimated corpse of your older brother, fire in his eyes as he angrily pumps his cock into you. You try to open your mouth, move your arms, anything; but Dabi laughs and pins you down to the bed by your wrists. When you finally do manage to speak, you say the one thing you really shouldn’t.

“Touya,” Your eyes glaze over again as Dabi fucks you relentlessly. The last thing you see before you pass out is your brother's mutilated face.

When you wake up the next day, the first thing you notice is the pain. Without the drugs in your system, your neck felt like it was on fire and you couldn’t help but notice an uncomfortable feeling in your arms. After opening your eyes, you can see your wrists are chained together again, and you have some pretty severe second-degree burns covering each arm. You appear to be chained in a bedroom with a window by the wall, so you didn’t hallucinate that. The chair Dabi was sitting in previously was empty, except for a few scary looking knives laying on the cushion. You didn’t want to think what those were supposed to be for. Not a lot of time later, your older brother walks into the room and eyes you before shutting the door.

“So we have good news and bad news,” He shrugs his jacket off and places it on a dirty looking dresser beside the door. “What do you wanna hear first?”

You try to speak before noticing the immense pain in your throat. How long had it been since you’d drank any water? Or used the toilet? Clearing your throat, you manage to say in a raspy voice, “Good.”

“Okay. Good news, Enji and Sho’ saw the tape and they are planning your rescue as we speak. I’m sure Sho’ is chomping at the bits, excited to have you back.” He grins over at you before kicking his shoes off and wanders over to the bedside, he continues saying, “But the bad news, I also have a plan.”

His words make you shudder as you break eye contact and nervously look around the brightly lit room. He doesn’t seem to care and sits on the side of the bed next to you before smiling wickedly. He shouts, shattering all the silence, “Toga?”

The door opens and you immediately try to pull yourself up with the chains, trying to get away from whoever is making an entrance. But when a teenage girl about your age wandered into the room in a schoolgirl uniform, you look over at your brother quizzically.

“Toga, this is the girl,” Dabi says, somewhat stiffly.

“Oh you are so pretty!” The girl walks over to you, leaving the door open behind her before she bounces on the bed with you and taking a look over your naked body. You can feel a flush go down your badly burned neck as she licks her lips and looks over to your brother before saying, “She's pretty, I like her, I’m glad you didn’t kill her.”

You turn your head to Dabi and your eyes go wide as you feel Toga grab your face and force you to keep it there. You are frozen looking at Dabi as you feel her cool hands brush through your hair and down your neck. Toga straddles you, sitting on your lap and you can feel her lowering her mouth to your neck before the sharp stinging pain of a needle jabbing into your fresh wounds. You make a slight sound of protest, but she keeps her hands firmly on the sides of your face. It isn’t until your brother speaks does she stop for a moment.

“That’s not the deal,” Your brother has one eyebrow arched, almost like a knowing teacher as he watches the young girl straddle you. You can’t help but trace the edges of his face, and the outline of his nose before he looks down at you, asking, “Do you remember when you got your ears pierced?”

You blink a few times; the memory seems so out of place. Rei had allowed you and Shoto to go to the mall, to get your ears pierced when you were young (accompanied by an adult of course). You don’t really remember it now, but it was shortly before Touya had ‘died’ on Sekoto peak. You had told your brothers and sister excitedly about how Shoto picked out his favorite color earrings and you didn’t even cry when the needle went in. Touya had smiled and said he thought you were brave. He was probably being condescending, but you were too young to know any better. It seemed like such an innocent memory.

At that moment, Dabi’s eyes flick up to the girl sitting on your lap as she takes a large knife to the side of your face, while still holding you down with one hand. You can feel the stinging pain and the wetness of blood before realizing what she is doing, and before she confidently holds up her prize, part of your ear and the piercing with the color of your twin brother’s favorite gem. You really hadn’t changed them in all these years and Dabi knew it. You hear screaming and realize it's coming from you as she removes her hands from your face and climbs off you.

“That was easy,” The girl sounds almost giddy. Your shoulder is starting to feel cold as the blood from your mutilated ear drips down and hits your bare skin.

Chapter 5

Notes:

(See the end of the chapter for notes.)

Chapter Text

Dabi leaves with the young girl for a few minutes before you can hear the sound of his footsteps coming back up the hallway outside the door, your injured ear ringing. The shooting pain in your ear and on the side of your face hasn’t let up, and you try to look down to see how much blood you were actually losing. When Dabi opens the door again and comes inside, he glares at you with disgust before walking to past you and into the adjoining bathroom. Your eyes follow him as turns the light on and bends down to rummage through the cabinet under the sink. A roach scurries away and your brother doesn’t seem to notice as he grabs a few strips of gauze and bandages.

When he comes back over to you and sits on the opposite side of the bed, his gaze seems suspiciously lighter. You say nothing, partly because everything hurts so bad and partly because you feel like you are going to vomit. When he tenderly starts to press the gauze against your ear, you start to feel woozy again and you sort of wish you still had those pain meds from yesterday.

“You realize this is your own fault, right?” You try to turn your head to see him, but he holds your face in the other direction so he can continue sterilizing and wrapping your damaged ear. Tears begin to form in your eyes as you try to open your mouth before he cuts you off. “You lied to me. I trusted you, and you lied to me.”

“I’m sorry Dabi,” You try to say as he finishes bandaging your ear and starts to gently pat the wound on your face with antiseptic. You’re crying and you can’t quite tell if it’s because of the pain or because of what he is saying. He presses some gauze to your cheek before realizing the wound was mostly superficial. When he drops his hand, you turn your face to lock eyes with him. Some part of you is begging for him to touch you, and say he forgives you. You had missed your brother, and some innocent part of you believed you had found him again. Dabi sighs and produces a key from his pocket before reaching up to the restraints and unlocking the chains.

“Go to the bathroom, you’re disgusting.”

You look over at him again, incredulously. Dabi senses your hesitation and sighs again before he pulls himself up off the bed and offers you a hand. You stare at his outstretched palm, covered in staples and discolored skin for a few moments. As he pulls you up from the bed you had been lying in for at least a day, you wince slightly as he guides you over to the bathroom and turns the light back on. You’re still naked, and catch a glimpse of your reflection in the mirror above the sink as Dabi grabs a towel. Dark purple bruises littered your shoulder, and the burns on your neck were by far the worst. The skin was peeling and halfway scabbed over, and you raise a hand to touch it before he returns, absentmindedly thinking of how his neck looks so similar to yours now. The burns on your wrists are less severe, but the most of the blood from your ear was now all through your hair and drying down your chest.

He turns himself around and allows you the decency to piss without being watched, but you were pretty dehydrated as it was. When he turns the faucet on and starts to fill up the bathtub you are standing there awkwardly, shifting your weight from foot to foot.

“I’m really sorry,” You say again, watching as he tests his hand under the water for the temperature again. In reality, that would have been the best moment to kill him. You could have unleashed your ice while he was crouched next to the water, totally unsuspecting. But you didn’t. And it wasn’t just the years of abuse from Enji teaching you to not fight back, but your own feeling of worthlessness. You didn’t want to live in a world where Touya hated you.

He pauses, taking a breath before standing to look slightly down at you. “I know you are, I'm sorry too.”

He nudges you forward and you step into the bathtub, curling your knees to your chest. The water feels good on your skin, except for the burned parts. Dabi kneels on the floor behind you, cupping his hands under the water and then pouring it over your hair. It isn’t long until he pushes you closer to the faucet, using the pouring water to help wash the blood from your hair. He tries his best to keep your burns and cuts away from the water, but you keep moving your head to try and look at him. Dabi thinks about pushing your head under the water, but then doesn’t really want the hassle of changing your bandages again, so he doesn’t. Instead, he quietly takes his clothes off and steps into the bathtub behind you, cradling you. His chest feels warm against your back, and you naturally lean back to feel all of him.

The last time you were in this position, he was displaying you to a camera about to rape you. But this time, he wraps an arm over your waist and pulls you closer into his lap. You tilt your head, exposing your mutilated and bandaged ear and Dabi ignores it instead placing a warm kiss on the side of your neck. You shudder, and he smiles as he sees the goosebumps appearing on your exposed skin.

“You’re going to be here with me, forever.” He places another kiss on your neck, closer to the end of the long slice Toga made earlier with her knife. You don’t bother to argue or fight back when he pulls your face to his and kisses you. You try to ignore all the voices in your head, telling you this isn’t okay, this isn’t right, instead you open your mouth and deepen the kiss. He invites you in, as you roll your body on top of his and straddle his hips between your legs. His hard-on presses against your leg as you grab his face with your hands, inhaling his scent. The smell is the same from when you were kids, the burnt scent that is uniquely Touya. It’s driving you insane.

As you start to grind on him, he can feel the desperation from your body. You don’t just need him inside you, you need him altogether. You need his presence
in your life. You can’t lose him just after finding him again. The kiss finally breaks and Dabi looks hungrily at you above him, your heart skips a beat. His hands move up from your thighs and you think his is about to touch your clit, but when you open your eyes you see his hand gripped tightly around the base of his cock. The sight makes you wet, and Dabi definitely notices as he brings his other hand up to brush his thumb over your core. You let out a moan as he pumps his hand up and down over his dick. As Dabi lines himself up with your entrance, he can’t help but feel like he’s being impatient. But you’ve never been this enthusiastic before, never needed him this badly before. He wants to drink in the sight of you, dripping above his cock while half-submerged in bloody water. When he pushes his tip inside your entrance, your eyes shut and you let out another moan before he stops.

You can feel yourself stretching to accommodate him, adjusting yourself to his girth as he slowly pushes your hips down onto his cock. It doesn’t hurt nearly as bad this time, and you let out a shaky breath as you try to inch yourself down his shaft farther. He’s impatient, and snaps his hips up to meet you after a few seconds. With wide eyes you look back to him smiling wickedly, and place your hands on his chest to steady yourself.

“You’re going to be here forever,” He repeats himself and you can see the fire behind his eyes. You’ll die here, still trying to find a way out, never able to escape Dabi. It was at that point your eyes rolled back in your head and you thought, why even bother? Fuck, not fighting this felt so much better than resisting, and the feeling of your older brother’s cock stuffing you full makes your skin electrify. You groan, lifting yourself up and down over him slowly as he lazily traces circles with his thumb on your clit.

“I-,” You start to say something, looking down into his azure gaze. He stops you, grabbing your neck and pulling your face down to his. The look in his eyes makes you realize how gentle his is being with your wounds, all he had to do was squeeze. And he knows it too, softly pulling your nose to his as your breath starts to come and go in ragged waves. He kisses you again, thrusting his hips up to meet yours whenever you stopped moving as his thumb starts pulsing more franticly on your clit. You can feel his cock starting to throb and it sends you into oblivion, as your walls clench down around him. As he shoots his hot cum into you, you collapse down against his chest panting, all of your senses full of him. He stays inside you for a moment as his cock continues to twitch and throb, stroking your wet hair. You look up at him, clenching and refusing to allow him to remove himself.

You smile, enjoying the feeling of his cock jumping at your words inside your belly. “I’ll be here forever.”

Notes:

i'm going to hell, ya'll want anything?

Chapter 6: Epilogue

Chapter Text

Spinner coughs under his breath quietly before looking over at you, sitting in Dabi’s lap. You had been hanging off his side for months now, and it was starting to annoy a few people in the League. But when Dabi suggested you start running errands and making food for everyone in your spare time, you enthusiastically agreed and started to make the League hideout more like a home. And after you made Spinner’s favorite meal for three nights in a row, he started warming up to having you around. Even packing Shigaraki and Dabi’s lunch felt like a small semblance of normalcy in this new world you inhabited.

Spinner hands the blunt up to Dabi, and you watch him as he puts it to his lips and takes a large inhale. He doesn’t cough, blowing the smoke over toward their boss, Shigaraki, who sits over to the other side of your brother. Shiggy rolls his eyes and Dabi smiles as he takes another long hit from the blunt, before looking into your eyes and seemingly offering you the next hit.

“Hey,” Dabi finally speaks while you take a hit from the joint and try your hardest not to cough. “You’ll never guess who we fought the other day.”

You try to exhale slowly before looking up into his eyes, “Who?”

“Shoto and all his little annoying friends,” Dabi smiled and you felt a twist of unfamiliar pain in your gut. “He is super upset about what happened to you, but he looked awful close with some other girl there.”

“That chick had huge tits,” Shigaraki interrupts and all three of them share a laugh. You uncharacteristically take another hit of the joint before you hand it back to Dabi, who then hands it to Shigaraki. Exhaling you gaze up into your older brother’s eyes, looking to see if he was telling the truth.

“Shoto?” You ask, his name feeling unfamiliar on your lips after so long not seeing him. In all honestly, you had kind of forgotten you were a twin for a while. Dabi had taken so much from you, but your connection with your twin was the worst part to lose. You wondered if Shoto would still love you, if you came back from the grave still clutching what was left of Touya. Maybe your need to save him was your fatal mistake instead of not turning email notifications on.

“Oh yeah, he and dad miss you, big time,” He lies and absentmindedly tucks a piece of hair behind your ear. He didn’t know why he was telling you this, but maybe it was because you had been so complacent lately. Maybe he missed seeing the sadness and fire behind your eyes.

As Shigaraki finishes up the roach and Spinner leaves, Dabi starts kissing you tenderly on the neck. The butterflies in your stomach start to return as you remember the reason why Dabi had been giving you weed in the first place.

“Go on,” Your brother purrs, while pulling at your sweatpants. You try not to notice Shigaraki unbuckling his belt as you slowly stand up and face Dabi. You brother pulls your sweatpants down in one solid motion as you try to stop him.

“Wait, wait,” You pause, trying to pull Dabi’s t-shirt down to cover yourself. “Wait please, Dabi.”

He arches an eyebrow, annoyed you are testing him in front of his boss. He snarls, “What?”

“I need to tell you something,” You try to plead with your eyes, but Shigaraki doesn’t move.

“So, tell me.”

You shift your weight back and forth debating your options, this could either go really badly or really well. You’re not sure which outcome is which, but you know you can’t lie to your brother. He always sees through your lies.

“My period is late,” Your eyes meet and at first, he seems surprised. That genuinely wasn’t what he was expecting to hear, but on second though you did cross off tampons from the grocery list. He doesn’t smile, and you begin to think this is all going to go terribly wrong before you hear Shigaraki laughing on the couch next to you.

“Oh, that’s gold,” He laughs again, before Dabi cracks a smile and your heart skips a beat. He brings a hand up to your cheek, cupping it gently and looking deep into your eyes.

“I love you,” He says, and for a moment it’s just the two of you. Just him cupping your cheek and you drowning in the ocean of his eyes. “But that won’t save you tonight.”

You know that, and you were only hoping for it slightly. He brings his lips down to kiss your neck, and you can feel your heart flutter as he pulls your shirt up and off over your head. You place your hand on his chest and sit down on the coffee table between your brother and the boss of the League. As Shigaraki stands and wanders over between your legs, Dabi is already pushing your back down to the wood. You stare up, as both men look down over your naked form hungrily, their hard-ons clearly apparent.

“I wonder which one of us is the dad,” You hear your brother say in a mocking voice.

Notes:

kudos & reviews are appreciated!