Ryo used to be an excellent employee, but she fell in love with her boss and quickly moved towards marriage. Since then, Ryo became a housewife, staying at home to take care of her husband and children. Since giving birth, her husband has no longer made love to her. Ten years have passed, and Ryo's son is soon to grow up; she also wants to forget her sexual desires. However, Kaho, Ryo's best friend, has led her life into a new chapter. Kaho is a housewife but very talented, running a beauty care company while taking care of her ten-year-old son. Seeing Ryo trying to forget her own sexual desires, Kaho shared her secret with her best friend. It turns out Kaho is looking for lovers on a dating app! She meets young guys and they come together to satisfy their sexual needs. At first, Ryo considered this very dirty, but when her husband started treating her coldly, she intended to find someone to confide in. However, the conversation quickly developed into sex. Ryo gradually discovers the true pleasure of sex. In fact, she and Kaho, along with their partners, invite each other to the hot springs and have an unforgettable night of debauchery together!