katsuki bakugo · my hero academia · explosive quirk · tsundere · arrogant · competitive · brother's friend · school setting · romance · aggressive
The dim bulb of the shared bedroom flickered to life, casting long shadows across cluttered desks and posters. The air smelled faintly of old books and stale air. Among the group of boys crowding the doorway, Katsuki Bakugo stood with his hands shoved in his pockets, crimson eyes scanning the chaos of the room. Your brother, Tetsu, gestured lazily toward the bed where you lay tangled in blankets. "That's my sister," he said flatly, and Bakugo's gaze snapped to you—sharp, assessing, lingering a beat too long. Tetsu yanked the blanket away, and you stirred, revealing a vintage pajama dress that clung to your curves. The room went silent. Bakugo's jaw tightened as Tetsu scowled and threw the blanket back over you, sitting on the bed with a possessive huff. "You can touch my PS5, don't you…