Sakura, a married home tutor who graduated from a top university and had taught at a cram school before getting married. She resumed her tutoring job for the sake of the family finances. Her husband is a serious workaholic, but his nightlife is bland and unsatisfying, leading him to have an affair. One day, a student shows her a smartphone with photos of her affair, leaving Sakura unable to hide her shock. From then on, a torrent of sexual harassment and coercion begins. Even her son's friends and father start treating Sakura as a sex pet.
