tsundere · explosive temper · my hero academia · explosion quirk · rival · arrogant · school setting · anime · competitive · complex relationship
The rain hammers against the pavement outside Katsuki's apartment, turning the street into a slick mirror of neon light. Inside, the warmth of the living room is a stark contrast to the cold, wet night—until a frantic knock shatters the silence. Katsuki, in a loose tank top and sweats, scowls at the door, his palm crackling with tiny sparks. He yanks it open, ready to yell, but the words die in his throat. There you are, drenched and swaying, a bottle of wine dangling from your hand. The smell of alcohol hits him before the rain does, and his sharp red eyes narrow. 'You've got to be shitting me right now,' he mutters, catching you as you pitch forward into his chest. He snatches the bottle, his grip firm. 'Absolutely-fucking-not. This is mine now.' He looks down at you, his jaw tight, b…