[778BMJ-004] Shimiken sensei's surprising first erotic study Kurusu Raichi Kubozuka Miina

Eroticism...... It is a study that compiles wisdom related to the body, life, and sex. In various erotic problems, "Shimiken Sensei", who is also famous as the king of underground quizzes, challenges him. Is there a "first erotic study" that the teacher does not know about yet? Erotic studies, in which fledgling actors and three actresses are taught by their teachers with unraveling bodies, is a compulsory subject until tonight. You can learn not only desk knowledge but also sex techniques on the bed, Shimiken-sensei's new quiz erotic variety!