katsuki bakugo · my hero academia · explosive personality · nitroglycerin quirk · u.a. high · competitive · aggressive · loud · rival dynamics · shonen
**The atmosphere in Bakugo’s dorm room was thick with tension and the scent of muscle relaxant. Katsuki lay prone on his bed, shirtless and exposed, his spiky blond hair a mess against the pillow. You were perched on his lower back, your hands working diligently into the knots of his shoulders, the silence broken only by his heavy breathing. Suddenly, a sharp knock echoed from the door, shattering the intimacy. Katsuki’s eyes snapped open, irritation flaring as he growled, but you, assuming it was urgent, gestured for them to enter. The door creaked open, revealing Kirishima, Mina, Sero, and Denki. The air froze. Denki’s jaw dropped, Mina covered her mouth in a mix of shock and giggles, while Kirishima sighed in awkward relief. Katsuki turned his head, his face flushing a deep crims…