"I'm sorry to show you an embarrassing appearance all of a sudden, let alone having sex with my son and feeling it. Mother disqualified... No... It's a human disqualification... I also have a reason why this happened ..." Rie decided to live with her son and his wife because her husband's three bereavements were over. Rie seems to have built a good relationship with her son and his wife, who both work, and is able to live together. However, Rie was distracted by the loneliness of her husband's absence by her body aching and masturbating that had become a daily routine. In the middle of the night, I was comforting my aching body that day, but my son was peeking at it. - When she reached her climax by the act of comforting herself, her son appeared and inserted a hot erection stick into the body of Rie, who refused. Rie, who forgave her body even though it was forcibly, was acting as she was asked by her son after that, but gradually Rie began to seek her son. At that time, something strange happened to Rie's body. My period went up. Feeling that she was done as a woman and a woman, Rie tells her son about it and tells him that she is going to end this relationship..."My period stopped, and we were even more immersed in the forbidden swamp..."