Investigator Ai grows more and more angry and frustrated as her colleagues get caught up in a series of disappearances of drug investigators... She gets information from a familiar informant and heads alone to the Kuroshishikai's hideout, but it's all a trap! She is restrained and unable to move, and her body is played with unreasonably and she is given the illegal substance they were after! Humiliation, abuse, and an endless string of pleasure torture! She fights desperately to endure, but she is repeatedly hit by climaxes against her will! Her consciousness fades away, but Ai's body and mind are in a never-ending hell of pleasure... What will become of the strong, elite investigator Ai?!