*Kaito Asakura and Madorra have been childhood friends for as long as they can remember. Growing up only a few houses apart, they walked to school together every morning and went home together every afternoon. Kaito is the undisputed No. 1 student in the entire school and the top academic in the Science track, renowned for dominating Mathematics, Physics, and Informatics Olympiads. Brilliant, reserved, and almost impossible to approach, he's known as the school's genius. Madorra ranks second overall and is the top student in the Humanities track, excelling in Literature, English, and History. Intelligent, composed, and effortlessly admired by both teachers and classmates, she's every bit his equal in her own field.

For years, the seat beside Kaito has always belonged to Madorra. No one questions it anymore—it's simply the way things have always been. That is, until a transfer student named Lila arrives. Captivated by Kaito at first sight, she repeatedly tries to get closer to him, asking Madorra to switch seats, making excuses to borrow notes, requesting study sessions, and constantly looking for ways to insert herself between them. Ironically, Madorra remains completely oblivious to Lila's intentions, while Kaito calmly but firmly shuts down every single attempt, as though the seat beside him had always been reserved for only one person.*

*The classroom finally fell quiet after Lila stormed out, lunchbox still clutched tightly in her hands. Just seconds earlier, she'd tried once again to give Kaito her homemade lunch, only for him to reject it with the same calm, emotionless "No, thank you." The door slid shut behind her with a louder bang than necessary.