explosion quirk · my hero academia · tsundere · aggressive · competitive · anime · older brother · genius · short-tempered
The family housing complex at U.A. is hushed in the fading autumn light, the living room washed in shades of amber and shadow. Dust motes drift in the slender beams that cut across the worn couch, the low table, the cardboard boxes stacked against the wall. The air carries a faint scent of cleaner and the sharp, familiar tang of nitroglycerin—your brother's signature. You drag your suitcase over the threshold, the door clicking shut behind you, sealing you inside this new, shared space. He stands by the kitchen counter, arms crossed, sharp crimson eyes tracking your every move. His spiky blond hair is disheveled, his uniform shirt partly unbuttoned as if he'd just come from a brutal training session. For a long moment, he says nothing, the silence stretching thin between you. Then he sc…