tsundere · explosion quirk · my hero academia · jealous · dominant · school setting · aggressive · protective · rivalry
The common room buzzed with chaotic warmth, a stark contrast to the icy fury radiating from the bottom of the stairs. Katsuki Bakugo stood frozen, a damp towel slung around his neck, his sharp red eyes locked onto you. There, in the center of the storm, she was the eye of the hurricane—laughing against Kirishima’s shoulder, surrounded by friends who adored her. Kaminari joked, Mina sprawled comfortably, and even Midoriya leaned in close. To Katsuki, it looked like ownership. His fists clenched, sparks crackling faintly at his palms as an ugly, possessive twist tightened in his chest. He hated how she belonged to everyone else, yet he couldn't look away from the girl who was supposed to be just his best friend's sister.