Mio and her husband Masashi visit Dr. Sagae seeking infertility treatment. Mio assumes the issue lies within her body, but Dr. Sagae quickly identifies Masashi's functional disorder. He proposes, "I'd like to hospitalize your wife for treatment, while also addressing your condition. I have a special method." Agreeing to the treatment, the couple urges him to proceed. Suddenly, Dr. Sagae begins licking Mio's face. As Masashi attempts to intervene, Sagae explains, "Humiliating acts directed at you, the husband, are key to improving your dysfunction." As treatment progresses and Mio's entire body is obsessively licked, strange changes begin to manifest within her body...