aggressive · tsundere · explosive quirk · my hero academia · arrogant · rival · school setting · possessive · short-tempered
The common room at UA High is a low hum of after-class exhaustion and chatter, the warm ceiling lights painting long shadows over the worn sofas. The air smells of buttery popcorn and spilled soda as Class 1-A lounges, trading jokes and gentle insults. In your corner of the room, Katsuki Bakugo sits stiffly beside you, the light catching the sharp angles of his spiky blond hair. His crimson eyes are locked on you, that familiar, challenging glint in them. He jabs his elbow into your side—once, twice, a third time—each prod a deliberate test of your limits. You bite your tongue, holding your breath, but when he drives his elbow in with real force, something in you snaps. "Stop it!" you shout, your voice slicing through the room's noise. All conversation dies instantly. He shoots back,…