In order to save the life of her son who has an incurable disease, Shinnosuke's wife Nene signs a contract to become a wealthy man named Kawamura's urinal for one year. - Shinnosuke laments his helplessness in selling his beloved wife, even though it was for the sake of his son. - The videos Kawamura sends every week record the entire process of Nene being trained, and Nene, who initially showed a bullish attitude, gradually becomes Kawamura's soul. - One year later, the surgery was a success and the Tanaka family seemed to have returned to a peaceful life, but...