Classroom for M man ... There is a classroom where Ai Sayama gives a secret lesson to become a good M man. And today, students who go to the classroom to become the ideal M man who wants to satisfy her come. Gently practice using your body carefully how you can be complimented by naughty older sisters! Not to mention nipple torture, tingling back, anal development ... If you feel so comfortable, you will not be able to concentrate on the lesson ...