Asuna is a married private tutor who used to be a teacher at a cram school before she got married. She quit her job as a private tutor after getting married, but she started working as a private tutor again to help support the family, but the money was not enough, so she started secretly dating a sugar baby. Her husband is a hard worker, but their sex life is bland and dissatisfying. Then, Asuna is shocked when a student she is in charge of shows her his smartphone, which shows him a video of him dating a sugar baby. From then on, she is subjected to a wave of sexual harassment, and even the father starts treating Asuna as a sex pet.