Sanada, a perverted employee who pretends to be serious, secretly uses his smartphone to browse through anal photos of girls he finds on the Internet during his breaks, when his boss suddenly shows up and exposes his sexual orientation. After the revelation in company chat, Sanada is treated like a pervert and his girlfriend dumps him. He decides to take out his repressed anger on his boss's wife, Maki. Maki's beautiful anus, well proportioned to her beautiful face, captivates him, and Sanada is completely engrossed...