Sachiko, a mother-in-law who had a fight with her husband and rolled into her daughter's couple's house. She drinks and asks her daughter and her husband to listen to her complaints before she falls asleep. A son-in-law who carries Sachiko to her bedroom while worrying about her plump mother-in-law's body. Sachiko jokingly seduces her son-in-law, saying, "Let me take off my clothes." Her son-in-law gets an erection when she sees her breasts without a bra, but Sachiko is happy when she notices it, and she often tempts her while teasing her. One day, when her daughter-in-law went out at a girls' party and was alone, her son-in-law and her mother-in-law finally overlapped.
