At some point, the children's room on the second floor was something that their parents were never allowed to enter. Although it is called a child, it is a room where an old man who is over 40 years old shuts himself up. A girl is imprisoned there without anyone noticing. The girl's spirit is broken by the hopeless days of being turned into a sex slave every day. Over the course of three years, the girl no longer resists and becomes like a delinquent. She is brainwashed and orgasms even with deep orgasms and fingering, and incontinence in large quantities! Now she has become a super masochist woman who enjoys sex with men...