Every time I'm in a circle, I fall into a student ... Ai Matsuyama

Ai Matsuyama is a teacher who gets involved in a gangbang with her students. She is initially hesitant but eventually gives in to their demands. The students take turns fucking her and making her perform oral sex on them. The central kink of this movie is the taboo relationship between a teacher and her students, with the added element of coercion and non-consent.