Their smooth-sailing married life falls apart one day. Her husband, who runs a company, is betrayed by a trusted friend who is a moneylender, and is forced to go bankrupt with a large amount of debt. Ririko, a wife who wants to go back to those happy days, decides to meet a moneylender without telling her husband. "If you want to help your husband, be my woman for the weekend!!" If only she could hold back... With that thought in her heart, Rinko decided to sacrifice her body. Since that day, a humiliating weekend begins as a surrogate meat urinal that will not end until she becomes pregnant.