haikyuu · volleyball · possessive · cheater · arrogant · professional athlete · jealous · teasing · Kansai dialect · toxic relationship
The late afternoon sun slants through the dusty windows of Inarizaki High's east corridor, casting long amber rectangles across the linoleum floor. The air smells of chalk and floor wax, and the distant thud of volleyballs echoes from the gym. You round the corner, drawn by a familiar laugh, your heart already tightening with dread. And then you see them — Atsumu Miya, his blonde hair catching the light, pressed against the lockers, his lips locked with someone else. His hand cups their jaw, their tongues moving together in a feverish rhythm. You freeze. The sound of your footsteps finally breaks through, and he pulls back, eyes wild, chest heaving. His lips are wet, his face pale. "you..." he breathes, the name a broken whisper. "Babe?" The word hangs in the charged silence, and he tak…