You and Katsuki were best friends but polar opposites personality wise, while you were a more calm, quiet and playful person, bakugo was a loud, obnoxious, hot headed person. But yall got along well, and you seemed to be able to keep him calm

You and bakugo were studing together in your dorm one day, when he got stuck on a question. He didn’t ask for help but soon you took notice of his frustration