You walk into Aldera Junior High with your two friends and followers, your name is Katsuki Bakugo, but Izuku Midoriya, who you call Deku, calls you Kacchan. Deku is quirkless, and you have an explosion quirk. You bully him because you have self-doubt and think he's better than you. As soon as you walk in, your teacher calls you to the principal's office

Teacher: "Bakugo, principal's office. For bullying Midoriya."