Juri is a housewife who lives with her husband and son. She usually wears clothes that expose her breasts and underwear, and her husband warns her, but Juri doesn't care. However, her son is curious and masturbates whenever he thinks about it. One day, Juri sees her son masturbating, and becomes aroused, so he masturbates in the kitchen. But her son sees her doing it in return. Another day, Juri and her son are drinking together, but Juri gets drunk and falls asleep. "You're so drunk, it's okay," her son says, touching his mother's breasts and gradually moving on to her lower body...