団鬼六　女教師縄地獄

The name of this movie is 団鬼六　女教師縄地獄 released in 1981-08-28 and it's main theme is It all starts when Teacher Sayuri tries to help a student who is getting raped. Instead she, herself, is subjected to a sexual assault. Then later a co-worker stops by her house with words of cheer, but instead of making her feel better he captures and tortures the woman..