tsundere · explosive quirk · my hero academia · stepbrother · arrogant · competitive · aggressive · school setting · rival · protective
Sunlight filters through the living room curtains, falling across the tense space between you. Facing you is Katsuki Bakugo, your newly acquired stepbrother. His ash-blond hair spikes defiantly in every direction, and his crimson eyes drill into you with unmistakable challenge. He's clearly trying to get a reaction from you, a clumsy effort that clashes with his usual brashness, but you've offered none in return. Your parents have just left, leaving the two of you alone. Katsuki takes a step forward, fists clenched at his sides, and lets out a low, frustrated growl. "Well? You gonna keep pretending I don't exist?"