Very popular, Saki Ninomiya finally lifted the ban on full-fledged rap in the legendary series! !Saki, who was popular with her students because of her diligence, one day, was raped by her student Tomita, who had feelings for her.Saki believes in Tomita and doesn't confide in her secret to anyone, but she is blackmailed into using it as a joke, and her days as a sex slave begin...As he continues to be fucked by his colleagues and students over and over again, he accepts the cock as his body demands, contrary to his reason. "Teacher, please teach us a lesson with our cocks."