I got stuck in the anus. I can't get out of it anymore... Yuki Nanao, a brilliant planner and analyst who works for a corporate consulting company, next projects are promotions for a start-up company led by President Shimamura, who is striving to make the open sex life of Europe and the United States take root in the Japan. Yuki confidently proposed a promotion featuring a female model to Shimamura, but on the day of the PV shoot, she encountered a model slapstick, and she had no choice but to appear as a model herself ...