Onna Kyoushi Nijuusan-Sai: 1x2

Onna Kyoushi Nijuusan-Sai Episode 2

Season overview: Honjou Rumiko is a school teacher caught in a web of blackmail and deceit. She is caught by 2 Yakuza gang members and forced to have sex with them and their clients. Eventually they start recruiting her students and she is forced to break up with her fiance as her world turns upside-down.