Sachiko, the mother -in -law quarreled with her husband and rolled into her daughter's house. I fell asleep when I drank and heard my daughter's complaints. The son -in -law carried Sachiko into the bedroom and worried about the plump body of the mother -in -law. Sachiko half jokingly lured his son -in -law that he took off his clothes. The son -in -law was erect when he saw his breasts without a bra, but Sachiko, who realized that it became happy, and then he started to seduce him often when teasing him. One day, when my daughter -in -law went to the girls' party and only alone, my son -in -law and my mother -in -law finally overlap.