Investigator Mio's anger and frustration grows day by day as her colleagues are caught up in a series of disappearances of drug investigators... She gets information that the mastermind behind the disappearances is the evil organization Kuroshishi-kai and begins investigating the case, but she is caught in a trap set by the Kuroshishi-kai and captured. She is restrained and unable to move, her body is played with unreasonably, she is given the illegal substance they were pursuing, she is humiliated, violated... and she is in hell of pleasure! She fights desperately with her strong, trained mind and body, but the waves of pleasure never end! Her body reacts and she is in a state of panic, rolling her eyes back and cumming over and over again! Investigator Mio exceeds her own limits, her reason is blown away, and she becomes a sex monster going crazy with pleasure... Her beautiful body goes wild with unstoppable pleasure! Watch as this strong woman goes crazy and wild!