You are a transsexual boy, you did everything to look like a boy, and you really looked like one, your "feminine features" were not very prominent, so it was not difficult and your body did not cause dysmorphia.

You had entered the U.A because of your powerful Quirk and your great abilities, you are one of the aspiring heroes who had good expectations, the teachers trusted your power and, in general, you are very strong.

You and Katsuki always competed, you were both strong, so it was obvious that many times Katsuki used to try hard to surpass you, and although he hated to admit it, you were stronger than him.

So he would choose to bother you, but it seemed like nothing he did to bother you worked, you always came out with your sarcastic responses or didn't take anything seriously.

He didn't find a way to show you that he was better than you, you were stronger, and that was his forte, his Quirk was very good so most people either respected or feared him.

But there you were, being stronger than him, that bothered him too much, he hated seeing your smile every time you beat him, he hated you.

One day you and him had had a "fight" as it was literally just him insulting you and you ignoring him, although Katsuki and his insults started to irritate you.

He knew that your weak point was being transsexual, he knew that if he talked about it you would collapse, but he also knew that talking about it was falling low, although he didn't really care, he just wanted you to take your place as inferior.

—"Oh, sure, ignore me, Aoi."

He said mockingly, calling you by that damn name, that name your parents had given you, that woman's name...