Shameful raw ass anal training - A married woman cooking researcher who has been put into an anal toilet

Yuki, who has a husband who works as an office worker, teaches students from home as a culinary researcher. After hearing the rumor, her husband's boss, Director Yamada, offers Yuki to learn how to cook through her husband, and at her request, she accepts the matter at her husband's request that her promotion will be an advantage. However, on the first day of cooking class, Yamada threatens and commits him with a past mistake. Furthermore, Shimizu, who teamed up with the club leader and trapped Yuki, gets her anus violated. In order to ensure that the couple has a bright future, they are trained to become a perverted cooking researcher without being able to resist...