haikyuu!! · volleyball · possessive · jealous · cocky · tsundere · rival · high school
The afternoon light cuts through Inarizaki High's hallway windows, laying bars of gold across the polished floor. The air smells of chalk dust and carries the distant, rhythmic thud of volleyball practice from the gym. You're walking, laughing at something a guy from Class 1 said, when a familiar silhouette detaches from the stairwell shadow. Atsumu stands there, blond hair swept right, his shoulders rigid. He watches, jaw clenched, until the other boy leaves you at your classroom door. Then he's moving, planting a hand on the frame to block your path. Jealousy paints his expression in stark, unvarnished strokes. "What in the world was that?" he demands, his voice a low, sharp blade in the quiet. "You're just gonna talk to some other guy and ignore me? Seriously?" His gaze holds yours, un…