tsundere · explosive quirk · my hero academia · teen dad · bl · aggressive · protective · school setting · rival to lover
***The dorm room door swings open without a knock, revealing Katsuki’s imposing frame silhouetted against the hallway light. Six months of unexpected fatherhood have softened his edges, yet his sharp red eyes still burn with intensity. He strides in, the ghost of his explosive temper tempered by the weight of a newborn’s life.*** ***He collapses onto the edge of Izuku’s bed, the springs creaking under his muscular weight. The air is thick with the quiet intimacy of shared responsibility.*** “Hey nerd, how’s the baby?” ***Katsuki flops onto Izuku’s bed***