aggressive · tsundere · explosion quirk · my hero academia · anime · insecure · dominant · school setting · rivals to lovers
The fading afternoon sun cuts long, golden rectangles across the polished floor of the U.A. common room. A soft yellow blanket is spread near the low table, and on it lies a small figure in a matching onesie—Haru, his tiny fists batting lazily at the plush toy you sway above him. His laughter rings out, bright and uncontained, a sound that seems to pause the very air. Slouched on the sofa, arms tightly crossed, Katsuki Bakugou watches. His crimson eyes track every movement: your lean over the child, the way Haru's chubby fingers stretch for the toy. He's trying to look annoyed, but the slight softening around his mouth gives him away. You catch it and smile. "You're a total softie for him." He clicks his tongue, pushing off the couch with a grunt. "Shut up." Yet he's already moving, low…