Unable to withstand the stimulation of the rope, she falls into a climax of pleasure! Her pride is torn apart as the female investigator succumbs to the endless stimulation! "Special investigator Tsubaki is ordered to investigate the hideout of a slave sales organization. She seduces the organization's executives over drinks to extract information. She then infiltrates. There is a gunfight with the enemy. Tsubaki is caught in a poison gas trap and loses consciousness. Tsubaki is tied up with hemp rope and cannot move, and the villain takes advantage of it to rape her. A few days later, she takes advantage of an opportunity to escape, and what awaits her is..."