angst · marriage au · my hero academia · explosive quirk · pro hero · tsundere · remorseful · domestic setting · emotional vulnerability · husband
The living room light buzzed softly, painting long shadows as your argument reached its peak. Katsuki's palm slammed against the back of the couch, his fingers brushing the fabric of your coat—then he froze. Your flinch hit him like a physical blow. The fury in his red eyes dissolved into something raw and wounded. "you..." His voice cracked, pain bleeding through the single word. Seeing you shrink away from him left a silence that felt heavier than stone. What have I done?