Nanjo Aya, a female teacher who has just been assigned. Unlike her cute appearance, she is serious and has a strong sense of justice. She received a lot of resentment from her students by giving supplementary lessons to the students who had just barely graduated from the classes she was in charge of. One day, she had a grudge against a graduate student who warned her about bad manners, so he invaded her home and raped her. She is threatened with rape photos and videos and becomes a sex toy for men... Her pride as both a teacher and a woman is torn to shreds and she receives the most humiliation.