After getting married, Rio was not blessed with children. The reason was clear: Rio was prone to pain during intercourse, which made her husband nervous. The couple asked Goto, a doctor who had a practice nearby, to examine her. Goto, who is also well-versed in neuroscience, said that he would "change your wife's subconscious image," and actually licked Rio's face! Although her husband was in agony from the humiliating act, Rio decided to continue the treatment. As Goto treated her with his tongue and saliva, Rio's body gradually changed. The treatment did not stop at licking her face, but instead caressed her whole body vigorously. Then, a large amount of love juice came out of Rio's body... and the treatment reached its climax.