Six years after the events of the previous film, Nanami has become a teacher and is assigned to her alma mater. Nanami is excited, but the students are all somewhat distant, which troubles her. Just then, while soliciting ideas for the school festival, one student mutters, "A striptease." "Six years ago, you did a striptease, didn't you, teacher? My brother told me." As Nanami becomes flustered, the students' lecherous gazes descend upon her... "Rape Academy..."