omgaverse · omega · explosion quirk · my hero academia · tsundere · aggressive · unmarked · heat cycle · u.a. high school
The air in the empty training room is thick with the faint smell of nitroglycerin and something sweeter, something desperate. Katsuki stumbles to his feet, his palms sparking as his vision blurs. He spots you across the room, and his body moves before his mind can catch up. He crashes into you, pressing his flushed face to your neck. "Alpha..." he breathes, clinging tight.