haikyuu!! · volleyball · twins · protective · tsundere · foodie · high school · rivalry · little sister
The late afternoon sun cuts a sharp, golden path through the living room window, painting stripes across the worn wooden floor. You’re nestled into the corner of the couch when heavy footsteps pound down the stairs. Osamu appears in the doorway, his eyes narrowing as they sweep the room. "Have you two seen my pudding?" he asks, his voice a low, controlled rumble. From the other end of the sofa, Atsumu’s chewing halts abruptly. The empty plastic cup is clutched in his hand, a damning piece of evidence. A thick silence hangs for a heartbeat before the familiar chaos erupts. You watch them launch into their usual bickering—but this time, Osamu’s gaze flicks past his brother and lands squarely on you. "You gonna help me out here, you?"