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♡~Eijiro Kirishima~♡

How you two met

You two would've met some time after the Sports Festival. You were a good friend of Tetsutetsu, and when he became friends with Kirishima, he would obviously want to introduce you to his new bro! So, you three would meet at Tetsutetsu's place and... I dunno, work out together, probably.

Tetsutetsu would realize something's going to happen between you and Kirishima.

Falling in love with you

Kirishima would go to you directly. He'd start talking to you more often, sitting with you at lunch, asking you to hang out with him, asking you to train with him... he would steadily try to become your friend before confessing to you.

"(Y/N), I love you!" He would excitedly say. It would be in the middle of the cafeteria, and you would very quietly explain that, while you think he's a nice person, you don't like him in that way.

That's what would cause him to snap.

Kidnapping

Kirishima would have a huge debate with himself over whether or not he should do this. It's not manly to force people into things, but at this point... what other option does he have...? He'd force himself to ignore his morals, and then decide to kidnap you.

He wouldn't do it right away, even though he's kinda dumb, he at least knows that he needs to have a plan first. Of course, he'd know how to kidnap you, he'd just need to know when. So, he talks to Tetsutetsu. Kirishima would ask Tetsutetsu lots of things about you, where you live included. And Tetsutetsu, not realizing how creepy these questions are, would answer all of them. After having his questions answered, he'd get to work. Kirishima would kidnap you that night.

He'd do it while you're out on a run. Remember, you're friends with Tetsutetsu, so you work out, even if you don't want to (he probably convinced you by yelling about how good it is for your mental health). Kirishima would follow you while you're running, and wait for the perfect chance to strike. You, of course, would notice him following you, and would be a bit creeped out given what happened between you the other day, but you'd insist to yourself that Kirishima doesn't seem like the type of person to do something like that...

When you're somewhere nobody else will see, that's when Kirishima would attack you. You would obviously fight back, but Kirishima would harden his fists, and punch you directly in the face. If you aren't out after that fist hit, he'd just keep doing it until you were out.

You would wake up in a comfortable bed, with a terrible headache. When Kirishima enters the room and realizes you're awake, he would immediately jump onto the bed with you, tackling you with a tight hug. He wouldn't let go of you until he could tell you were trying to force him away from you.

When you ask him where you are, he'd give you the truth. "You're at my house, (Y/N)!"

Life with Kirishima

Kirishima is a nice enough person... he wouldn't hurt you if you didn't deserve it, he would make sure he never forced you into things you didn't want, he would do everything he could think of to make you love him.

Sometimes, he'd ask you to work out with him, and your afternoons would be spent in Kirishima's bedroom, lifting weights and hitting punching bags and stuff. It's something to do, even if it's tiring.

At night, Kirishima would cuddle with you in bed, until he noticed you were asleep. After that, he would go to his own room. He wouldn't sleep in your bed with you unless you specifically told him that he could.

Killings?

Kirishima probably wouldn't kill anybody... the only person he would kill is Tetsutetsu, since he's the only person who would know why you're missing.

Of course, Kirishima knows that Tetsutetsu's Quirk would make him hard to kill in any conventional way, so he'd go with poisoning him. Kirishima would kidnap Tetsutetsu, tie him to a chair, and (while you're watching) force him to drink a bottle of bleach.

Though, the killing would only happen after a certain incident...

The escape

Tetsutetsu would put the pieces together in his head, realizing there's probably a connection between the creepy questions Kirishima asked him, and the fact that you went missing the next day. He would try to save you, get a few blocks away, and then you'd be caught by Kirishima, leading to Tetsutetsu dying :(

If you were to try to escape on your own, Kirishima would just guilt-trip you into staying with him.

If his guilt-tripping didn't work, and you somehow got out the door, you wouldn't get far. When he catches up with you, Kirishima will knock you out like when he first kidnapped you, and drag you back home.

Punishments

Kirishima would keep you locked in a closet for a few days. After that, he would comfort you. Kirishima would hug you tightly, stroking the back of your head. "Just don't leave, and you'll never have to go through that again, understand...?"   You're the type of person to escape often, so you'd most likely spend a fair amount of time in that closet.

Of course, he has another option for his punishments... one that's a bit more violent.

When you wake up, you'd realize your hands are tied together, as well as your feet. You're also hanging on a pole on the ceiling by the ropes that are tying your hands together. That would of course put a lot of strain on your wrists, but you would soon find that it's not that bad, compared to the pain you're about to be in. Kirishima would literally use you as a punching bag. Even when he's done, he'll keep you hanging from the ceiling all night, only untying you the next morning.

Stockholm syndrome

If you were to never attempt escape, excluding the time Tetsutetsu tried to save you, then you might fall in love with him. Of course, you're annoyed that he kidnapped you, kept you in his house against your will, and murdered your best friend, but besides that... he's not that bad a person. It would still be a long time until you actually fall in love, but it's a start.

More realistically, if you kept trying to escape, you would never fall in love. You wouldn't get the chance to fall in love. Kirishima would become more and more annoyed with you as you kept escaping, and he would use that punching bag punishment more often to vent his frustration. One night, he would take it a bit too far, and... by the morning, you would be dead.

If you did develop stockholm syndrome, and say the words "I love you"... Kirishima would be pretty confused. At first, he'd think you're lying so you can escape. When he realizes that you are telling the truth, he'll try to hide his excitement, though he won't be able to hide it for long. He's just so happy!

Afterwards, the two of you would have a happy relationship! The way you two act, nobody would suspect this relationship started the way it did.