In high school, Akari had a crush on Riku, a popular boy, and they were good friends, but their relationship was nothing more than that - Akari was pursuing her own path in Tokyo, while Riku was in his hometown. The two of them attended a class reunion in Tokyo and ended up having a physical relationship while drunk. Akari had a boyfriend at the time, but her feelings for her first love grew after having sex with him...A year later, she broke up with her boyfriend and drove to her hometown to tell Riku how she felt.