Rio Sasaoka, a high school teacher struggling with the pressures of her job, finds solace in a secret social media account and the support of her caring boyfriend. When she's unexpectedly assigned as a homeroom teacher to a third-year class, Rio faces new challenges that test her resilience and rekindle her passion for teaching.

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.

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.