After five years of marriage, Akane, who seems to be living happily, has a serious dissatisfaction. That is, her husband's work has become busy and the married life at night has completely disappeared. Akane, who has become unable to suppress her libido, brings her cheating partner home while her husband is on a business trip and is absorbed in sex. The husband, who has no way of knowing the face behind her wife, has to cancel his work in a hurry and return home earlier than planned.
