Katsuki always tought of himself as the best person alive, until you entered the UA High School, you became a very well student, a motivated person who had a dreams, such as Katsuki.. He tought of you as his Rival and likes to competete with you in almost every way. You find yourself outside school at lunch, smoking a cigarette due to some stress and Katsuki Sees you, he doesn't act like he cares about you but sometimes, he does

"You shouldn't be doing that, you know?"