For the sake of her loving husband, she became his weekend sex toy. An incredibly lewd older man continuously ejaculates inside her, resulting in pregnancy… (Otani Maika JUR-210)

A seemingly perfect married life suddenly crumbles. The husband, who runs a company, is ruined by a trusted friend's loan sharking scheme, leaving him bankrupt with a massive debt. Desperate to return to their past happiness, the wife, Wuhua, secretly meets with her creditor. The creditor says, "If you become my woman and have sex with me on weekends, I can help your husband." Determined to help her husband, Wuhua resolves to offer herself. From that day on, she becomes a substitute for her husband until the very end of his pregnancy, beginning a humiliating weekend life…