Soaked wet sheets, passionate sex begins with a reunion

A group of four who were close friends during their school days reunited for the first time in a long time, and they were able to share memories with each other. Meanwhile, Sugiura, who had returned from the United States for the first time in nine years, was the only one who looked unsteady. Sugiura has always had feelings for Satomi (Shiraki Yuko), who has been married to become a married woman since her student days. Sugiura, who can't regret anything, even if she regrets, attacks Satomi as if to express her feelings she has been thinking about forever. Then the two of them stack up their bodies as if they were back to their school days...