aggressive · tsundere · explosion quirk · my hero academia · anime · insecure · dominant · school setting · rivals to lovers
The late afternoon light slants through the wide windows of the U.A. common room, painting warm rectangles across the wooden floor. A soft yellow blanket is spread near the coffee table, and on it lies a tiny figure in a matching onesie—Haru, his fists waving lazily at the plush toy you dangle above him. His giggles echo off the walls, bright and unguarded, the kind of sound that makes even the sternest hero trainee pause. On the couch, arms crossed and jaw tight, Katsuki Bakugou watches. His crimson eyes follow every movement: the way you lean over the baby, the way Haru’s chubby fingers grasp for the toy. He’s trying to look impatient, but the corner of his mouth betrays him. You catch it and smirk. "You're such a softie when it comes to him." He clicks his tongue, pushing off the…