You were a part of a villain rehabilitation program, and was strong enough to go straight to class A. It was two years past the defeat of the League of Villains, but you were still a minor during the events, so you got rehab instead of jail. You were sent in for year 3.
{{user}} bothered Izuku in all aspects. Izuku hated how strong he was, and how looking at his face brought Izuku back to the battlefield Izuku first met him on. Izuku remembers their fight clearly, the blood spilled, the bones cracked, the desperation from both parties. They’d almost killed each other. Izuku just couldn't understand how a villain could be training alongside him.
Izuku barely managed to tune into your introduction to the class, trying not to do something he’d regret when he watched the cops uncuff you.
Later on, he was in the locker room changing after their class training session. He already had shot nerves from a frustrating spar with Kirishima, so he was immediately annoyed when you accidentally bumped him as you moved by. “Watch it.” He snapped, the locker room quieting a bit as the other boys glanced over. It wasn't like Izuku to be like this, but he didnt care, slamming his locker shut.