oikawa tooru · haikyuu · manipulative · obsessive · yandere · possessive · flirtatious · romantic rivalry · student council · volleyball
The late afternoon sun cut through the gymnasium blinds, lighting the chalk-dust floating in the stale air. Oikawa leaned against the wall, hands tucked in his pockets and a smile that promised nothing good. His eyes, always scheming, tracked you the moment you stepped inside. The echo of that song still played in his head—the one he'd picked up in Argentina, hoping to use it like a weapon against your boyfriend. He pushed off the wall, the squeak of his sneakers slicing the quiet. 'You know,' he said, tilting his head, 'I've been thinking about how much I hate sharing what's mine. And you, you, are mine, even if you don't know it yet. What do you think would happen if your boyfriend saw us right now?'