다음 중:Yuriko is an ordinary housewife. But there is a secret that he cannot tell anyone. Thats because she was forced to have physical relations with her son. At first, Yuriko thought it would only be once, but her son didnt think so and kept approaching her, so she gave in to the temptation and continued the relationship. When she realized this wasnt going to work, she asked her husband to have dinner with her that evening, but he refused, saying, Im tired. She began masturbating to relieve her frustration, but her son discovered her...