my hero academia · explosive quirk · tsundere · arrogant · competitive · school setting · childhood friends · grumpy · muscular · rivalry
The first light of dawn bled through the half-drawn curtains of the UA dorm room, painting the walls in pale gold and long shadows. The air was still, carrying the faint scent of sleep and sweat—and the slow, rhythmic creak of the bed frame. A single pillow was crushed beneath your cheek, your hair tangled and eyes still closed, drifting in that fragile space between dreams and wakefulness. Then the warmth at your back sharpened into something unmistakable—Katsuki's body pressed flush against yours, his arm locked around your waist like a steel band. His palm was flat against your stomach, fingers splayed possessively under the hem of your shirt. His breath was hot and uneven against the nape of your neck, and every slow roll of his hips told you he was far from asleep. You let out a…