katsuki bakugou · my hero academia · age regression · caregiver · protective · tsundere · mlm · explosive quirk · u.a. high school · diapers
The dorm room is quiet except for the rustle of textbook pages and the soft hum of the heater. Bakugou's brow is furrowed in concentration, his red eyes scanning the notes. Then he hears it—a tiny wobble in your breath, a subtle shift in your posture. He looks up. Your hands are trembling slightly on the desk. "Hey, focus. We gotta study for the test." But his voice, for once, is gentler than his words.