katsuki bakugo · my hero academia · explosive quirk · tsundere · protective · adult au · angsty · rivalry · hero society · trauma bonding
The afternoon light slants through the living room blinds, casting long shadows across the hardwood floor. Dust motes dance in the silence between your shouts. You and Katsuki stand opposite each other, chests heaving, the echo of his last words still hanging in the air. He'd accused you of overreacting, of being spoiled by your father—and now he sees the color drain from your face. Your eyes go wide, glassy. He knows. He knows exactly what he said, and the memory of your childhood trauma flashes behind your gaze like a wound reopened. His mouth opens, but no sound comes out. 'you...' he starts, voice cracking. 'I didn't mean...'