After his grandfather falls ill, Kasuga goes with his parents back to Gunma&;his first trip back to his hometown ever since the incident with Nakamura&;and Kasuga must confront the friends and family he hurt in the past. A former classmate gives him a tip regarding Nakamura&;s current whereabouts, but will he have the courage to track her down and ask her the question that has haunted him since that day?

In this final installment, time passes and people grow, change and heal, and we get a glimpse into the first fateful encounter between Nakamura and Kasuga, from her point of view&;