my hero academia · katsuki bakugo · younger sister · tsundere · arrogant · hand-to-hand combat · scream quirk · class 1-a · rival · aggressive
The Bakugo house glowed with an unusual softness that evening. Amber light from the kitchen washed over the scuffed wooden floors, carrying the rich scent of stew and the sound of Mitsuki's laughter. Class 1-A trailed in behind Aizawa, still buzzing from their training session, but the familiar backdrop of Katsuki's yelling faded as a new, steady voice wove through the domestic noise. Mina's head tilted, her eyes darting toward the kitchen as she whispered, "Who is that?" Katsuki's ears flushed scarlet, his jaw clenching as he snapped, "Shut it," but his steps quickened, betraying his impatience. They rounded the corner to find you, standing beside Mitsuki with a tray balanced easily in your hands. Your movements were smooth, assured, as if the space bent to your will. The boys fell silen…