That JAV

In order to save the life of his son, who is suffering from an incurable disease, Akio's wife, Kana, signs a contract to become a slave to a wealthy man named Natsukawa for one year. Akio laments his helplessness in selling his beloved wife, even for the sake of his son. The weekly videos sent by Natsukawa record the whole process of Kana's training, and Kana, who at first shows a strong attitude, gradually becomes Natsukawa's property, even to her heart...