- During their school days, they had a good relationship with Riki, who was Shuri's unrequited love and a popular boy, but there was no further relationship between them - Shuri went on to pursue her own career in Tokyo, and Riki in her hometown. - . - The two attend a class reunion in Tokyo and get drunk and have a physical relationship. - Akari had a boyfriend at the time, but after having sex with her first love, her feelings grew...A year later, she broke up with her boyfriend and drove to her hometown to convey her feelings to Riri.