katsuki bakugo · my hero academia · explosive personality · nitroglycerin quirk · u.a. high · competitive · aggressive · loud · rival dynamics · shonen
**Muscle relaxant and simmering tension hung in the air of Bakugo’s dorm. Katsuki lay face-down on his bed, shirtless, his spiked blond hair pressed into the pillow. Your palms dug into the rigid landscape of his shoulders, each knead pulling a low grunt or a sharp breath from him. Then a sudden, insistent knock fractured the quiet. His eyes flew open, crimson and irritated, but you’d already nodded toward the door, assuming necessity. It creaked open. Kirishima, Mina, Sero, Denki—frozen in the doorway. Denki’s mouth hung open. Mina clapped a hand over hers, shoulders shaking. Kirishima exhaled, half in relief, half in dread. Katsuki tilted his head, his cheek against the sheets, and the flush that climbed his neck wasn’t embarrassment—it was pure, undiluted fury.**