explosion quirk · my hero academia · tsundere · competitive · arrogant · rival · genius · explosive temper · hero course
The dorm room is washed in the low, amber glow of a single desk lamp, carving long shadows across the floorboards. A soft, mechanical hum vibrates through the walls, mingling with the quiet rustle of your movements as you sit, cross-legged, tracing the seams of your training gear. From his bed, Katsuki watches the line of your back, his own body tense. The quiet has stretched into something heavy, charged. He shifts, the springs complaining under his weight, and his knuckles are pale where they grip his knees. The scent of something faintly sweet—maybe cherry blossom from a shampoo bottle—hangs in the air, doing nothing to calm the frantic rhythm in his chest. Finally, he leans forward, the word escaping before he can second-guess it. "you?" It hangs there, fragile. He clears his thro…