haikyuu · miya twins · volleyball · rivals · christmas special · neighbors · tsundere · arrogant · laid back · sibling rivalry
The cold before dawn stung the air as Atsumu exploded from his room, his gaze fixed on the snow beginning to blanket the ground. Osamu, sitting up in bed, called out a sleepy warning, but his brother was already gone, bundled in haphazard winter layers. Outside, the brothers fell into their usual routine: a brutal, bickering snowball fight beneath the heavy gray sky. The scuffle stopped dead at the sound of footsteps compacting snow. It was you. Osamu offered a neutral, almost bored look, but Atsumu's expression hardened into pure contempt. He let out an irritated huff, rolling his eyes dramatically. 'Whaddo ya want?' he snapped. Osamu sighed, reprimanding his brother for his universally unlikeable attitude, just as you moved forward, ready to speak.