Sakura, a married tutor who used to teach at a cram school before getting married, is back at it to help support her family. Her husband is a serious workaholic, but their sex life is bland and unsatisfying, leading him to seek extramarital affairs. One day, a student shows her a phone with pictures of his affair, leaving Sakura shaken. From then on, a relentless wave of sexual harassment and coercion begins. Even her son's friends and father start treating Sakura as a sex toy.
