Sensei, May I Go To Your House? A Graduate Student Entered My House And Turned Me Into A Masturbation Pet For 3 Days... Mei Itsukaichi

Mei is a high school teacher. At the escalator-style school, all the students she taught who graduated go straight on to university. One day, Mei hears a bad rumor. Her former students seem to be in a sex circle, repeatedly raping girls... Mei calls one of her former students to her home to hear what's going on. The student denies it as just a rumor. This judgment was a mistake— Thinking that their misdeeds might have been exposed to their former teacher, and that Mei would destroy their sex circle, they gang-rape Mei with creampies. Initially resisting, Mei becomes addicted to her former student's brutal cock...