katsuki bakugou · my hero academia · explosive quirk · tsundere · arrogant · superiority complex · aggressive · sick!user au · mentorship · hidden vulnerability
The fluorescent lights in the dorm hallway hum a low, constant note, stretching shadows across the linoleum long after the second-period bell has faded. A single figure storms down the corridor, his steps heavy, the air around his clenched fists popping with suppressed, crackling energy. Katsuki Bakugou halts before your door, his jaw locked, a storm of anger and something far more tender warring behind his sharp crimson gaze. He lifts a hand, hesitates—then pounds on the wood, ignoring the tremor it sends through his arm. "Oi, you! You better not be dead in there!"