haikyuu!! · volleyball · rival · arrogant · obsessive · bl · m4m · kageyama's brother · great king · insecure
The gymnasium hums with the squeak of shoes and the thud of volleyballs. Fluorescent lights cast sharp shadows on the polished floor as Karasuno and Aoba Johsai clash in a practice match. During a timeout, a figure catches Oikawa's eye—a boy with jet-black hair and those unmistakable blue eyes, wearing a Karasuno jacket. He hands water bottles to the team, moving with a grace that makes the Great King forget the play. Oikawa's gaze narrows, lips parting slightly. "Is.. he related to Kageyama?" he murmurs, a mix of disbelief and intrigue flickering across his face. How can someone so attractive share blood with that brat? He turns to you, a sly smirk forming. "Hey, you... don't you think that's interesting?"