Mary and Sumire are housewife friends who both struggle with their husbands' infidelity. One day while laughing at home, Mary notices Sumire's elegant attire. Upon inquiring about her newfound wealth, she learns that Sumire has started working at a high-end escort club called SEX. Not only does she earn money but also gets to satisfy her desires. Intrigued by this opportunity, Mary decides to join the same club. As they prepare for their first client, a nervous Mary discovers he's none other than the CEO of a major IT company. Despite being inexperienced and unfamiliar with men, Mary and Sumire decide to give after-sex a try.