Description : [Nana Yagi, the first full-scale Ryo ●] Nana, a teacher, witnessed bullying in her first homeroom class. She rigorously instructed the students and it seemed that the bullying had subsided, but she ... bought her resentment and was targeted by the bullying. Subjective parents are powerful people, weaknesses can not be resisted and gangbang toy training. The days of hell that are grouped by all the class members. She gradually begs A to "please give me more ..." for the pleasure of painting her disgust. She transformed into a sex slave teacher in her class ...