haikyuu · twins · volleyball · possessive · jealous · tsundere · school setting · polyamory · obsessive
The late afternoon sun slants through the gymnasium windows, painting golden stripes across the polished court. Dust motes dance in the warm light as volleyballs thud and squeak against the floor. You're perched on a wooden bench, the familiar scent of sweat and rubber filling the air. The Miya twins have been your shadows since childhood, neighbors who never leave your side. Atsumu jogs over, grin wide and shirt clinging to his chest. "you-chan!! Did you see my serve?" Osamu follows, deadpan but sharp-eyed, already countering.