Multifandom headcanons, snippets and drabbles

Ok i was thinking about assassination classroom and Karma again, as I occasionally do, and I remembered his first episode where he, like, falls off the cliff thing so he can shoot Korosensei, and how, like willing, he is to get hurt or even possibly die just to kill him. And, how he fully accepted death and it's only because Korosensei caught him that he didn't, at the very least, injure himself but, since he was falling like back, head, neck first, probably wouldn't have been good for him. And i feel like Korosensei, Karma and Nagisa all gloss over this incident way too quick, and to my knowledge no one else knows. Like, i get it but, also, the fact this middle school child is willing to go this far to achieve his goal, to kill a teacher, is horrifying, And it got me thinking, right? Because, surely after this, even if nothing happened, Korosensei or one of the teachers would have to tell his parents, right? Like, this seems pretty serious and like something you'd have to tell a student's parents? But it's just never mentioned again.

so, fic idea, Karasuma finds out about this and is like wtf. so he's the one that calls Karma's parents, when he realises Korosensei forgot, or at least he attempts to, but the only numbers the school has is their house number, and Karma's mobile number (Karma said it was on of his parents' and no one at the school cared enough to check because they suck). So, when Karasuma fails to get an answer, he tries to organise a face-to-face thing. Doesn't work, they don't answer, they don't find out. So Karasuma asks Karma how he can get in touch with his parents, says it's just to ask about something else, but Karma's like, oh, they work in another country.

Long story short Karasuma gets suspicious about Karma's homelife and quickly discovers he's at the very least neglected and basically unofficially adopts him. Bitch sensei too but that's more because i ship her with Karasuma, but yes, they adopt Karma. This makes all his behaviour make sense and even more when he learns some other things. First, Karma actually likes learning and studying, just not at school. This can either be a thing where he can concentrate better when there's less people around and less going on, and stuff, or it could be a defense mechanism. Personal headcanon time: Karma used to be more open about the fact he liked learning and liked studying, but then people started bullying him for it. So, he learned to fight, so he could defend himself, and started to become more of a delinquent. And this is why he always defended people who were getting bullied. He could relate to them. Him being able to fight got him slapped with the delinquent label so he leant into it, started skipping classes and, when he was there, made a point of looking like he actually wasn't paying attention. Got in a lot of fights to defend himself and protect others, only really fought bullies, but it was enough to intimidate people. But really, when he's skipping class, he's just doing the studying and learning at home, where he can do it without being bullied. Sorry, I've talked before about my headcanon that Karma likes learning, he just doesn't like school. here's a more fleshed out version that I just thought of but adds to this in a way and explains why he learned to fight, other than the cliche "he was a delinquent" or "he wanted his parents' attention". That may be part of the reason but, yeah. This is purely headcanon, I'm not saying this is canon, but yeah.

So anyway, Karasuma basically adopts him and Karma basically lives with him. Karasuma tries to keep things strictly student and teacher at home and takes on a more parental figure at home. And it's not easy for either of them. Karasuma isn't really prepared to be a dad to a traumatised middle schooler and is in denial that he actually cares and tells himself he's just keeping and eye on the kid since no one else is. And Karma has his walls up. He doesn't trust adults because, before Korosensei, he never had an adult genuinely care about him with no strings attached, and even with Korosensei, he's his teacher so still has some level of obligation in any responsibilty he feels for Karma. So Karma doesn't trust Karasuma and is constantly waiting for the other shoe to drop. So he keeps himself hidden, keeps middle school Karma on the surface and hides the parts of himself he wants to protect away. Because for all Karma is sadistic, he is also a protector. I stand by that and no one will change my mind. And that means protecting himself soon. So it's a struggle, Karasuma trying to get Karma to open up while also trying to keep an emotional distance and not get attached, because when Korosensei dies, he'll have to leave, have to go where the next mission takes him. And Karma trying to keep his more vulnerable side hidden, desperately fighting to keep his walls up, because the last time he trusted and adult, they turned their back on him the second he acted in a way they didn't like and he can't allow himself to get hurt like that again.

But Karasuma keeps finding things out, keeps noticing things, keeps seeing these hidden insecurities and vulnerabilities. And he tries not to push Karma, he does, but he finds out Karma likes learning and studying, finds out he's even smarter than he thought, (like he knew Karma was smart but, like, he didn't realise the extent of it, genius Karma agenda and not in a prodigy way, more he was a neglected kid who had no friends so he just learned everything he could.), like he just knows the most random but interesting facts, keeps noticing just how many styles and techniques of fighting Karma knows, finds out he's self taught. And then comes the real kicker, when Karasuma finds out Karma secretly brought an injured stray cat home (to Karasuma's house that he won't admit even to himself feels like home) and was nursing it back to health after finding some shithead kids from his middle school throwing rocks at it or something. And Karasuma, secret softie and cat person that he is, lets him keep it. They have a pet cat, and Karma learns about Karasuma is, finds out who he is when he's not doing agent stuff, sees him relaxing and being at peace for once. And he lets Karasuma in, against his better judgment (and he knows Karasuma will have to leave at some point, he's here for a reason, he has a job to do, when that job is done he'll leave but maybe for once he can trust and adult, maybe for once he can let and adult in, maybe for once he can be cared for even if it's temporary) and (excuse me if i get events in the wrong order but the point remains) Karma doesn't beat Asano at the exams that time, doesn't come first in math or any other subject, and it annoys him, because even if it didn't look like it, even if it wasn't in class, he actually did study, at home, in secret. And this time was different. This time, despite everything, he wanted to do well not just for him or to rub it in Asano's face, he wanted to make Karasuma proud. It was the first time he could tell an adult he did well, that he got the top score and have them genuinely be proud of him. By this point he's stopped hiding his secret studying from Karasuma. And then Korosensei comes and inadvertantly rubs salt in the wound, taunting him about his failure as if he doesn't already know, as if he doesn't already feel shitty enough about failing, about letting Karasuma down.

But he didn't let Karasuma down. Karasuma knows how hard he was studying, ho hard he was trying, even if no one else does. And even if Karma didn't get the top mark (which by the way, do we ever find out what he got? Was it actually a bad score or just bad for Karma, y'know? I can't remember), Karasuma knows he tried his hardest, so he praises him anyway. By this point he knows enough to know Karma's beating himself up about it, after all, Karma is a perfectionist. Anything less than perfect he sees as being a failure and letting people down. But Karasuma is there to reassure him and tell him that he did well and next time he'll do even better. And he comforts Karma, something no one has ever truly done before. And Karma knows he can trust him.

And then their vacation and the poison incident happens. Karma is forced to watch Karasuma get taken out by the sleeping gas, but manages to keep calm. But after Karma fights an assassin, Karasuma cannot hide his concern, not fully, and after that it only gets harder, especially as they have more father and son bonding moments, Karma opens up to Karasuma but there's still the issue of Karasuma's job. I did consider having Karasuma leave hi job but i honestly think, if he tried, they'd kill him for knowing too much. So instead, he makes sure to visit between every job he has, calls as often as he can while on jobs, and always makes sure he's there for important events. Karma basically lives in the house he has there. Bitch sensei and Karasuma get married. Karma goes to the same high school as Asano, where they're academic rivals in the same class but end up becoming friends and lovers because i ship it and these two are actually very similar and I feel like they genuinely would end up being like a power couple. Plus Asano wants to know more about the Korosensei situation. Also Karasuma teaches Karma more stuff so that if any of his enemies find out about Karma and come after him, Karma can defend himself.

This is angst, hurt/comfort, fluff, full of headcanons, just, in my brain this is the fanfic I'll probably never write because i simply couldn't do it justice.

But I could write snippets about this. whether that be headcanons or just short scenes so, if you'd like me to elaborate, please let me know in comments.