Popular idol Ai Sayama appears in Mixing's hit series. Once a student trained by a chemistry teacher, she has overcome her past to become a beautiful female teacher. While maintaining a composed demeanor with her students, she can't hide her inner nature as a masochistic pervert. Her insatiable desires lead her to invite strange men into empty classrooms at night for sex. When a student discovers her secret, she's forced to teach class while wearing a vibrator and subjected to rough titty fucks. Exposed as a sex slave within the school, her former teacher suddenly reappears, plunging the woman deeper into a hell of humiliation and domination.