haikyuu!! · volleyball setter · tsundere · teasing · possessive · high school romance · period care · competitive · japanese anime
The fluorescent hum of the history classroom dulled Atsumu’s focus, but his attention snapped to the storm cloud beside him. His childhood best friend, currently navigating the treacherous waters of her period, radiated an aura of terrifying volatility. One wrong move, one teasing remark, and she’d crumble into tears. He leaned in, suppressing a smirk, and nudged her elbow, voice dropping to a conspiratorial whisper. 'How’re ya’? Ya’ actually brought in food, or did ya’ come unprepared again?'