Shun and Nagisa first meet and fall in love during their first year of high school. While Shun is graduating from university, Nagisa tells him that he doesn't see a future for them. Despite Shun's strong feelings, they go their separate ways. Years later, Shun is now a store owner, living alone in a rural area. Out of the blue, Nagisa arrives with his six-year-old daughter, Sora. Spending time together, Shun realizes he still harbors feelings for Nagisa. Can Nagisa reconcile with his feelings for Shun, which have been there all along?

Inagaki Goro plays a freelance writer married to his editor wife (Nakamura Yuri), who he discovers is having an affair with the popular novelist she is responsible for at work. Although troubled, he can’t bring himself to confront his wife. He later meets a high school novelist at a literary award ceremony, and–drawn to the award-winning book–he inquires about the model it’s based on, thinking he’d like to meet that person…

Takagi, now grown up, revisits her middle school as a trainer. She encounters Nishikata, her former classmate she used to tease, now a PE teacher there. Their playful dynamic resumes, leading to more interactions between the two.