Mana, a detective who works at a detective agency that is always busy. She receives a request from a rare customer to find someone, but... In order to get information, she seduces the salesperson, who has no interest in women, and leads him into anal and pussy sex, making him ejaculate with the ultimate anal sex! As she pursues the information, she makes one man after another cum with reverse anal sex... and the request to find someone takes an unexpected turn. She has a sex battle with a man who knows the truth... When Mana is about to cum, she fights back with a reverse anal sex! A rare authentic drama in a NH work!