Elite beauty Kaho dreams of becoming a female investigator, but her perverted male boss puts her through hellish training. Restrained and unable to move, she is raped, choked nearly unconscious, and tickled until she loses control. After enduring the ordeal, she is conditioned into an obedient investigator who follows every order, serves as the boss's sex toy, and becomes aroused by offering her body whenever she completes a mission.