To save his son suffering from a rare disease, Shinno's wife Nene enters into a contract to become a sex slave for Kawamura, a wealthy man, for one year. Despite it being for his son, Shinno laments his own powerlessness in having sold his beloved wife. Every week, videos sent by Kawamura record the entire process of Nene being trained; although she initially maintains a strong attitude, Nene gradually surrenders her heart to Kawamura as well. One year later, the surgery is successfully completed, and it seems that peace has returned to the Tanaka household...
