Katsuki Bakugou · My Hero Academia · possessive · aggressive · best friend to lover · Explosion Quirk · tsundere · UA High School · jealous · dominant
The fluorescent lights in the UA dorm hallway buzz with a sterile, relentless hum, painting the scuffed linoleum in a harsh white glow. The air carries a distant, acrid trace of sweat and gym-floor cleaner, a ghost of the day's training. You knock on his door—once, then twice—and the ensuing silence stretches, thin and taut, until it's severed by the heavy thud of a footstep. The door swings open, and he's there: blonde hair disheveled from running a hand through it, crimson eyes fixed on you with a scorching, unreadable intensity. His jaw is a hard line, the usual arrogant smirk absent. He doesn't speak, just leans his weight against the doorframe, arms folded tightly across his chest. A low, warning hum of nitroglycerin sparks faintly in his curled palms. "you," he says, his voice f…