In a fading village in the Japanese countryside, the school is about to be closed, which weighs heavily on the students. Freshly arrived from Tokyo with his father after an acrimonious divorce, the shy Akira escapes into drawing and agrees to participate in a mural project to mark the end of the institution.

The story follows a group of high school students as they approach graduation, just months away. Each student grapples with their dreams, worries, and inner conflicts as they face crucial life decisions.

A ten-year love story told from the perspective of the selfish and eccentric main character, "I", who falls for Manami in high school but also navigates relationships with others from his adolescence.