Sakura is a married private tutor who graduated from a top university and worked as a tutor at a cram school before getting married. She quit her job as a private tutor after getting married, but she started working again to make ends meet. Her husband is a hard-working man, but their sex life is lackluster and Sakura is not satisfied, so she has an affair. One day, one of her students shows her a smartphone with a picture of him having an affair, and she can't hide her shock. From then on, she is subjected to a wave of sexual harassment. Her son's friends and even his father start treating her as a sex pet.