Hired by a man who runs a swinging club to film sex with his wife in a "cuckold" scenario. Kana appears again, six months after their last encounter, as a married woman caught in confusion while being taken by another man in front of her husband. Her husband, aroused by the sight, ties her up and relentlessly torments her with sex toys. Unexpectedly, another club member barges in, leaving the wife surrounded by three men, climaxing again and again. Yielding to her husband's desires, the married woman is completely liberated, overwhelmed by intense pleasure.