Iroha had sex with her husband for the first time in six months. After such a long time, her husband lost his erection, but she was able to climax with a vibrator. Her son was watching their lovemaking. From that day on, her son began to masturbate, remembering his mother. One day, Iroha opened her son's room and saw him masturbating. Iroha apologized, but her son attacked her, saying that he saw her masturbating, so he wanted to see his mother's too. After being stripped of her clothes, Iroha accepted her son's hard penis, but...