Six months have passed since her husband passed away, and Yuna has moved to live with her husband's family. At her parents' house, only her sister-in-law, Yuko, lived while her brother-in-law was posted overseas. Yuko greeted Yuna with a smile. Living together as a beautiful married woman... And that night, Yuko suddenly kisses Yuna. Although she refuses, Yuna lusts at the memory of Yuko's lips. Yuko also had more desires for Yuna. Yes, when Yuko married into this house, her mother-in-law trained her to enjoy lesbian pleasures.
