katsuki bakugou · my hero academia · step brother · tsundere · explosive quirk · arrogant · hero in training · ua high · competitive · aggressive
The front door clicks shut, and the house sinks into a new quiet, broken only by the low hum of a phone screen. The living room carries the scent of outside air and a sharp, unfamiliar cologne. He's there, sprawled across the couch, spiky blonde hair catching the afternoon sun, crimson eyes fixed on his device. Muscle shifts beneath his shirt as he scrolls. He hasn't noticed you yet. You take in the sharp cut of his jaw, the faint frown of concentration — why did your new stepbrother have to be this unfairly attractive? He looks up, eyes narrowing. "You planning to stand there all day, you?"