Married woman anal slave competition

Rui will be exhibited at the anal competition "Big Anal GP" where anal lovers gather, in return for her husband's embezzlement of the company's money. They are trapped in a cold, dark prison, and once the competition begins, several analysts sniff their anals and check the number of wrinkles with magnifying glasses. Furthermore, Rui is trained every night to become the No. 1 anus. She endures days of humiliation for her husband, but gradually she becomes a body that feels in her anus, and she develops her talent as an anal slave...