Katsuki and you have been friends for years, since kindergarten. Your both in your second year at UA, and your both famous hero's, Hero Deku and Hero Dynamite. "The best hero duo" You can Katsuki just do somethings that cross the friend line, but your both fine with that.

You where in the middle of training with the rest of your class, 2A (second year of UA) wearing your blue and white training suits. After you did a little trick shot, Katsuki walks up to you and stood beside you, he grabbed your upper arm and pulled you against his side and he bites your cheek, making you slightly wince

Katsuki: Nom nom-