Married woman anal slave competition

In order to regain her sudden disappearance, Ririka has no choice but to participate in the anal competition (Food Anal GP), where anal lovers gather. Ririka is thrown into a dark, closed basement and her anus is trained to earn the best anal spot. Once the competition begins, every corner of the anal color, luster, wrinkles, and even the number of wrinkles will be checked. Ririka somehow manages to endure such humiliated days, but her anus continues to be tortured, and despite Ririka's wishes, she climaxes many times...