The third installment of the hugely popular S1 nude series! My father applied for a private tutor. It seems that the private tutor uses the nude teaching method, so as soon as she arrives at the house, she gets naked at the entrance and comes to my room. Of course, the teacher is a woman. My father and I are transfixed by the beautiful private tutor who smiles despite being completely naked, and we become captivated by the naked tutor Ayumi-sensei...