Prompt: When Katsuki tells him to jump off a roof, Izuku snaps and reveals he recorded what he said to him and ruins Katsuki's chances to getting into UA.
This is another one from Royallybored_RN, and I had to do a little research before starting this.
This is the other side if Izuku had a more extreme reaction.
By the way, it is important to note that Bakugo did not tell him to do that until after All Might told him the truth in my timeline. There are some similarities, but I try to spice it up.

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Well, today sucks.

The hero society is sucking at always, people are becoming narcissist from their quirks, and Bakugo, somebody who used to be best friend, needs a chihuahua to bite his ass to bring him back to ground-level.

Oh, and All Might is straight-up an ass. And no, I am not complimenting his ass; I am insulting his attitude. He's another person that I need to prove wrong.

THEN HE HAD THE NERVE TO OFFER ME A QUIRK AFTER I STABBED SLUDGEBOMB IN THE EYE WITH A KNIFE?! THIS IS NOT HOW WE RUN, HONEY!

Whatever. I chose this path, and I must continue. Otherwise, how else will the quirkless prove themselves?

As I am walking home, a familiar obnoxious voice fills my ears, "DEKU, I DIDN'T NEED YOUR HELP!"

Glad he came while I was talking about trash. I wouldn't want to impurify the rest of my text with his attitude problem.

I should respond, huh? Damn it, fine, "Unless you were aiming for Satan to pick you up for a snack, you needed help. Now I have a home life to get to. Bye-bye!"

"You shouldn't bother to apply for UA. That is my dream! My dream to be the only kid from this shit school to get in there! You will die at the entrance exam, so make yourself useful and don't." So I should set myself aside for you? This is one entitled brat.

"Anything else?" No response, and I'm not standing around where the quirk drug-dealer can find me again. I start ditching the scene when Bakugo decides to open his mouth again.

"You know, maybe you should take a swan dive off a roof and hope you get a quirk in your next life, you useless Deku."

I immediately stop. I did not hear that correctly, did I? Did this idiotic boy just tell me to commit suicide? I mean, this wouldn't be the first time from others as I am a reckless and hated kid, but from him? Someone who is adventuring to become the number one hero?

What if I actually did it? Would he feel regret too late, or would he feel pride that he got rid of somebody he considered weak in the system?

I spin around to face him with a new spice in my system, "Do you really think you can be a hero after you just told me to commit suicide? GUESS WHAT?! YOU DON'T GET TO DECIDE WHO YOU GET TO SAVE! YOU HAVE TO SAVE ALL OF US, INCLUDING US PATHETIC ASSES YOU CALL QUIRKLESS! Honestly, it would be dangerous to have you as a hero. You may hurt villains physically, but you would hurt civilians mentally.

Just know this: Karma is about to come to collect his debt."

Ignoring anything else Bakugo has to save to me, I leave. I don't bother to go home anymore.

I'm done. I am not going to let Bakugo become a hero.

I go straight to the police station.

Over the years, I have recorded all the injuries and all the shit he has said to me, including the recent suicide-baiting. It will leave a mark on his record so he can't become a hero, but he might be able to get the mental help he needs.

As I will forever say, people may be able to become a hero physically, but it's the mentality that counts, and Bakugo does not have it.

When I enter the station, I show the overwhelming evidence I have to the person at the front desk. Then, I am shown to a detective where I am questioned on every tiny detail, even for shit that doesn't matter. I know what this detective is trying to do, and I hate it.

The detective is trying to protect Bakugo as Bakugo has an amazing quirk while I am a quirkless fuck. Thankfully, I know how to cover myself anywhere because I am a bloody genius. It's disappointing that the police do such a thing.

Later that night, Bakugo is called in with his parents. My mom comes as well to support me.

By the end, Bakugo is no longer allowed to become a hero, and he is forced to take anger management classes.

Was he pissed? Of course!

Did I care? Hell no!

Through this experience, I learned that society needs help. Serious help. If we are willing to defend someone just because of genetics, what the hell are we becoming?

I guess that's my job in this world even if I wanted to just create chaos.

Well, I guess I can do both.

I just hope I can make that impact.