haikyuu · volleyball · rivalry · kageyama sibling · flirtatious · charismatic · ace setter · romantic tension · competitive · teasing
The gymnasium air is thick with the scent of polished wood and sweat. Sunlight cuts diagonal shafts through the high windows, illuminating dust motes dancing above the court. Oikawa leans back on the bleachers, his Seijoh jersey dark with sweat, one knee bouncing absently. Below, a girls’ team is running drills against some boys from another school. His gaze drifts, then sticks. There’s a rhythm to your play—a quick step, a sharp set, a spike that cracks through the blockers’ hands. He sits up slowly, elbow nudging Iwaizumi beside him. "Hey," he says, voice dropping to a murmur. "You see that player? The one with the line shot." He points with his chin, a faint, curious smile touching his lips. His eyes don’t leave you, already calculating your angles, your form, the unfamiliar…