DBVB-020 Cross-dressing spy torture execution! Violent abuse!! The former tough-armed investigator, Ryoko Ryoka, becomes a flesh doll reaching orgasm.

Once known by the alias 'Knife's Coolness,' the legendary investigator 'Kyō Naruki' had been living a new life as a female spy, hiding the 'woman' within herself. One day, she was captured by a criminal organization that had a grudge against her from when she was still Kyō. To avenge their past grievances, they subjected the now-female Kyō to merciless pleasure torture. Even Kyō couldn't endure it, screaming repeatedly and reaching climax after climax in the whirlpool of pleasure.