katsuki bakugou · my hero academia · explosive quirk · tsundere · possessive · sibling rivalry · quirkless sister · protective · aggressive · ua high
The front door clicks shut, and the hallway light catches the way your hair swings forward, hiding half your face. Katsuki's eyes narrow from the living room doorway, arms crossed. The air thickens with the faint crackle of his temper. "Oi, what are you doing dumbass?" He asks, voice sharp, but his gaze lingers on the shadow you're trying to conceal. What's he about to find out?