Shioriho is an elite beauty aiming to become a female investigator. However, a hellish training session awaits her at the hands of the perverted boss of the special investigation unit... She is restrained and unable to move, raped, strangled to the point of near suffocation, and tickled to the point of dying of laughter... Shioriho endures the pain and finally becomes an obedient female investigator, becoming a human toilet at the mercy of the perverted man, and transforming into a masochistic beauty who wets her pussy and serves him when the mission is completed!