Misuzu Kawana, an investigator for an unofficial organization, was trying to track down a pleasure drug sales organization. After receiving information from her superior, Kuroda, she goes undercover alone to investigate. "You fell for such a simple trap..." Misuzu is surrounded by several men. She is kicked in the stomach and restrained. She is drugged and knocked unconscious by a drill vibrator. "I'll make you regret coming here for the rest of your life..."