Since her husband went on a solo assignment, Yuko has been deeply frustrated. Masturbation becomes more radical and you become so immersed that you don't even notice that your son is watching you. My son, who couldn't see Yuko, hugged me when I comforted him. Yuko, who sensed that this was her son's own kindness, decided to fall into the world of immorality with her son. However, Yuko, who took off her mother's mask and opened up her woman's desires to the fullest, was so that her son was confused.