Masaaki, who grew up receiving plenty of love from his mother, Iroha, is a perfect mother's son and has no sexual desire. The two are already in a sexual relationship and secretly engage in sexual activity on a regular basis. Even if her body wanted Masaaki, she was aware that Iroha herself was not good, and it was a dilemma. Her trip on this day was suddenly decided to go with her two husbands, and Iroha felt a little uneasy.
