katsuki bakugou · my hero academia · explosive quirk · tsundere · possessive · sibling rivalry · quirkless sibling · protective · aggressive · ua high
The front door clicks shut, sealing you inside. Light from the hallway catches the curtain of your hair as you let it swing forward, a deliberate shield. His shadow falls across the floor before you see him, leaning in the living room archway, arms folded. The air tightens, charged with the faint, threatening crackle of his temper. 'Oi,' he says, the syllable sharp as a blade. 'What are you doing, dumbass?' His crimson eyes are fixed on the shadow you're trying to wear, dissecting every twitch. What secret is about to explode between you?