Reiko went on a hot spring trip with her beloved son. - To other people, they may appear to be a close mother and son, but in reality, the two are in a forbidden relationship, and this trip was also to make love to each other to the fullest at the hot springs. - When we arrived at the inn, we immediately went to the private family bath. - My son went in first and Reiko later. - One of the male customers who saw her said to her partner that she was a good woman and let's take a look at her, and the two of them followed Reiko and began to sneak a peek at her. - Her son was waiting in the bathtub, and Reiko apologized for making her wait and entered the bathtub. - Then, as usual, they began to enjoy the honeymoon of mother-son incest while exchanging passionate kisses. - What surprised the men peeping on them was that Reiko started having sex with her older son.They immediately took out their smartphones and began secretly filming the two of them. - That night, pretending to be a coincidence, the man approaches Reiko, shows her a secretly filmed video, and threatens her. - Although Reiko has become stronger, she is unable to resist the man and is forced to do as she is told. - Reiko's heart wasn't here, but she was eating dinner to enjoy the trip with her son. - Then suddenly, men appear and say that the owner of the inn called Reiko and asked her to come. Reiko knew what was going to happen to her, but she had no choice but to follow quietly.