AVSA-345 Pervert Doctor: Masochist Training Two-Hole Counseling. The escalating perverted treatment

A mature woman gets aroused by the perverted doctor's training. Starting with counseling, he draws out the erotic part of the mature woman's latent desires and trains her. At first she is skeptical, but gradually she becomes lascivious. Her transformation is truly erotic. In the end, she is subjected to the bondage play she has always desired, and her transformation into a lascivious woman is irresistibly erotic.