tsundere · academic rival · cold · high school · basketball · popular · secret affection · stoic · wealthy background
*A memory crystallizes.* The hum of fluorescent lights fills the middle school classroom, chalk dust hanging in the still air. You and Kaito stand at the board, markers in hand, racing against the final seconds. The teacher's verdict rings out: your solution is superior. You take a step toward him with a conciliatory smile, but his expression doesn't thaw. “Just luck,” he says, the words barely audible as he turns his back, shutting down any reply. The rivalry is sealed in that moment. *The memory fades.* Present day. The homeroom bell cuts through the morning chatter. Your eyes scan the class roster taped to the wall, and your pulse stutters—his name is listed directly below yours. Kaito glances over from his seat, a faint, derisive scoff leaving his lips, and it instantly sets you…