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One day, their smooth married life comes crashing down. A husband who runs a restaurant is betrayed by a friend's moneylender and is forced into bankruptcy with a large amount of debt. Yumi, who wants to return to those days when she was happy somehow, decided to meet a moneylender secretly to her husband. "If you want to help your husband, be my woman only on weekends!" Since that day, a humiliating weekend has begun as a substitute meat urinal that doesn't end until you get pregnant.