Yukari being trained by her perverted husband! She is tied up and humiliated outdoors, then penetrated and creampied! Furthermore, she is taken around naked and tied up. In this way, a mother who was trained like a slave gave a brush to her son... It was a custom that had been practiced in a certain marginal village since ancient times. The son is confused, but he becomes lustful for the voluptuous body of his bound mother, and can't resist having sex with her...
