Animation Sex Tube - Oshioki Gakuen reijou kousei keikaku 01

Shimohei Joutarou is my name. Because the school year has yet to begin, I am now working at my new place of employment. On the first day of school, I discovered Mitsuki and Minami's secret almost immediately. Afterward, I heard about Mahiru, the younger sister of Classics instructor Kuji Hinako, and the remarkable rise in her grades. I then uncover hints of Hinako's backdoor manoeuvrings. Now it's up to me to help these teens who are breaking the rules get back on track.