Meisa is married to a senior she met in school.She was dissatisfied with sex with her husband, but she had no complaints other than that and was living a happy newlywed life.One day, she happens to reunite with her classmates in town.And she will have a drinking reunion at home, including her husband.The class reunion started in harmony, but my husband was unable to participate due to work, and even her former homeroom teacher came.There was a secret that this former homeroom teacher couldn't tell anyone when he was a student.When this former homeroom teacher does something, her old memories come back and her body becomes immobile, and although she is her former homeroom teacher, she becomes a mother.Knowing this, the former homeroom teacher sets up various obscene acts on Meisa.However, as Meisa was sexually abused by her former homeroom teacher, she realized that she actually wanted to be treated like that, and she submerged herself in pleasure.