Mio and her husband Masashi visit for infertility treatment. Mio believes that the problem lies in her own body, but the doctor, Sagae, immediately sees through Masashi's functional disorder. "While I'm going to treat you in hospital, I want to treat your husband's functional disorder as well. I have a special method," says Sagae. The couple decide to give it a try, and Sagae begins to lick Mio's face all over! Masashi tries to stop her, but she tells him, "This humiliating act for your husband will lead to the improvement of your functional disorder." The treatment proceeds, and as Mio's body is relentlessly licked, not just her face but her entire body, a certain change begins to occur...