Three female teachers, "Reiko Kobayakawa", "Honoka Mihara", and "Freedom Kanade", who teach at the prestigious private Silly Hall Academy, have earned a grudge from some students because of their enthusiasm for education. One day, the students smear aphrodisiacs on the toilet paper in the teacher's toilet in order to get revenge on a daily basis. Three female teachers who used the toilet without knowing anything were writhing with abnormal anal pain. However, this was just the beginning of the anal slavery plan planned by the devilish students...
