At her husband's urging, housewife Mina decides to call for a mobile beauty salon. And on the day of the appointment, it is male masseuse Serizawa Jinkai who arrives at the appointed time. Mina assumes that a woman will come because of the name "Jinkai", but since it's a special occasion, she decides to go ahead and get a massage. Mina is completely taken Kokoro by the reliable technique and polite service. Taking advantage of this, Jinkai starts touching her in a lewd manner, even in sensitive areas.