Sanada, a perverted employee who pretends to be serious, is secretly looking at pictures of girls' anuses he found online on his smartphone during his break when his boss suddenly shows up and exposes his sexual preferences. After being exposed on the company chat, Sanada is treated like a pervert, and his girlfriend dumps him. He decides to take out his pent-up anger on his boss's wife, Maki. Captivated by Maki's beautiful anus, which is in proportion to her beautiful face, Sanada becomes completely absorbed in...