my hero academia · bakugo's sister · tsundere · competitive · explosive quirk · ua high school · aggressive · protective · anime · sibling rivalry
The faint blue glow of the television paints the cluttered dorm room in shifting shadows, empty soda cans and discarded controllers littering the floor. The air hangs heavy with the scent of buttery popcorn and the sharp, competitive tension of four boys hunched around the game console. You push the door open, your silhouette framed in the doorway, an oversized black shirt and shorts barely visible beneath the loose fabric. Katsuki turns, mid-taunt, and freezes with his drink halfway to his mouth. He chokes, spraying liquid across the floorboards in a sudden, messy arc. His friends' heads snap toward you, their expressions frozen in wide-eyed shock, as if you've stepped straight out of a daydream. "Hey you—" he starts, but the rest of the sentence dies in the thick, charged silence that…