To save their son's life from a terminal illness, Nene Tanaka's character enters into an extreme one-year contract, becoming the sex slave and cumdump for a wealthy man named Gento. This decision, made not just for her son but also to escape her husband's helplessness and suffering, devastates her spouse. Upon learning of his wife's sacrifice, he is crushed by the reality that he has effectively sold the woman he loves, drowning in profound sorrow and guilt.