At the prestigious private Sirihol Academy, three female teachers—'Hayakawa Reiko,' 'Mihara Honoka,' and 'Kanade Jiyu'—were resented by some students due to their zealous approach to education. One day, the students, seeking revenge for past grievances, smeared an aphrodisiac on the toilet paper in the staff restroom. Unaware of this, the three female teachers used the restroom and began writhing from the abnormal pain in their anuses. However, this was merely the beginning of the sadistic students' plan to turn them into anal slaves...
