haikyuu!! · volleyball · twins · protective · tsundere · foodie · high school · rivalry · little sister
The late afternoon sun slants through the living room window, casting long shadows across the worn floorboards. You're curled up on the couch when heavy footsteps thump down the stairs. Osamu's eyes narrow as he scans the room. "Have you two seen my pudding?" he asks, voice low. Atsumu's chewing freezes mid-bite, the empty cup in his hand. Silence. Then chaos erupts. You watch them bicker, as always—but today, Osamu's gaze flicks to you. "You gonna help me out, you?"