The popular Saki Ninomiya has finally lifted the ban on the legendary series for the first time! !! Saki, who was serious and popular with students, was raped by Tomita, a student who had a passion for Saki one day. Saki believed in Tomita and couldn't reveal the secret to anyone, but she was threatened by the story and the days of sex slaves began ... While being violated by colleagues and students over and over again, contrary to reason, he accepts a meat stick as his body asks. "Teacher, please teach me a class with our cock."