The ship for this story is this
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When Izuku was 4 he was diagnosed with a quirk which no one thought could happen. The quirk that Izuku has is AFO thing is with that is Izuku has to fake as if he's quirkless due to most people will say that he's a villain for having that quirk. Of course Inko accidentally heard of Izuku having this quirk and she has decided to go along with it. Years after Izuku has gotten the quirk and that he has to fake that he's quirkless All might and Izumi have been neglecting and abusing him.Soon after as Izumi and her gang (except for Momo and Jirou) are on their usual as they were boasting about how they are the better people then most that was until the teacher announced about Izuku.
Teacher: it seems as if Izuku Uagi wants to be a hero as well.
As everyone looked at him and soon laughed at him for trying to be a hero quirkless.
Katsuki: DEKKKKKUUUUUUU YOU USELESS SHI-
SMACK
As everyone saw that Izuku slapped the shit out of Katsuki as everyone wide eyed.
Izuku: shut the fuck yo when your in my presence peasant.
Katsuki: *cold* you must have a death wish Deku
Izuku: oh yea try me
As Katsuki tried keyword "tried" using his quirk but he see along with everyone that his quirk didn't work at all as Katsuki looked back at Izuku who used his quirk as he wide eyed.
Izuku: you know it's crazy to think you can be a fucking hero with this quirk your weak and by the way Momo think of something to create like create 2 muzzles think of creating that.
As she did she created 2 muzzles as it shocked everyone and soon Izuku used Izumis quirk and brought it towards him and slapped on the muzzle to Katsuki.
Izuku: now where's all the laughter at now that Katsuki got his quirk taken away tell me are you guys this weak to pick on someone weaker then you come on now and you *points at the teacher* tell me you had all the time in the world to have the authorizes ably what did school did and yet you went along with this damn school but now no one but Momo Yaoyorozu and Kyoka jirou need I remind you since you guys want to make them go to another class just to have these assholes bully me just because of a quirk.
Teacher:b-but I was forced to not do anything.
Izuku: don't lie I know you were in on it right now Japan hero commissioner is coming and all of you are denied of being hero's.
Tanya: husband don't say that we are destined to be hero's whole your on the sidelines.
Izuku: and what qurik do you have to prove that your a hero because last I check you don't have any along with those who bullied me.
As everyone else tried using or looking at their quirks they realized that he took them from them (except for Momo and Kyoka)
Izuku: let me tell you something just because a person is fucking quirkless doesn't mean you fucking bully then so what if their quirkless if they want to be quirkless hero allow them to you bitches have no right to take that away from them have fun not going to a hero school. Momo Kyoka come with me.
As they left with Izuku as they smirked at the group after finding out that he had a quirk and what's worst for them is that the hero commissioner came as they saw what Izuku went threw as they shut down the place and blacklisted every kid to a hero school as those who bullied Izuku (Izumis gang) life has been ruined. When they went on home they saw All might getting kicked out by Inko who leaned on the door.
Inko: this'll teach you not to neglect your step-son over a quirk that can be easily taken.
All might: w-what do you mean by that?
Inko: isn't it obvious Izuku had a quirk and we both pretended that he was quirkless due to him having AFO.
All might: HE HAS A VILLAIN QUIRK STEP ASIDE AND ALLOW ME TO PURGE HIS SOUL.
Inko: um I think it's already purge with your fuckery now take your slut of a daughter and leave everyone will know what kind of person you are.
All might: how is this my fault all I did was give our son some time to himself.
Inko: for 11 years dumbass what type of person does that for 11 years your daughter bullying him due to being quirkless or fake quirkless how long will the bullshit ends.
Tanya: auntie Inko please reconsider and have my darling husband give us our quirks back we will let him be a hero.
Inko: call me auntie again again and I'll make sure that you won't see your birthday next year.
Tanya: you don't mean that do you
As Inko smiled as Tanya's see that she didn't mean it but soon realized that she mean.
Inko: I really meant what I said Iida you been nothing but a nuisance to my son
As Izumi and her gang were shocked that Inko such words as "nuisance" towards them.
Inko: you know I've been wanted to punish you but you getting your quirk taken away is punishment enough along with being blacklisted as well I hope you guys know what real pain feels like and Katsuki go with that plan I dare you I'll end you before you get started
Soon she walked back in closing the door as everyone was shocked. Soon after that day All might was exposed for his negligence as Izumi and her gang where expose for bullying the weak who turned out to have a quirk as everyone bullied them into believing they are Dekus. Katsuki went to prison for trying to kill a person with a knife as he got tazed to the ground as the group tried to help him but failed as they got arrested for obstruction. With All might he tried using his status as a hero but no one budge as they did nothing as they also arrested him for bribery's
During the time Izuku made it to Ua as he started dating Momo and Kyoka. Later during the year he started saying Midnight as well since he can keep up with her hormones and such. Soon they trio graduated they gotten married along with Midnight as they all had children together as they lived happily ever after.
That's the end of this oneshot