Hibiki, a career boss who has been devoted to her work, is confessed to by a new subordinate and they start dating... But then the gentle man suddenly changes! He shows his true sadistic nature and humiliates her in the office with a remote control vibrator, deep throats and ejaculates in her mouth, and she is forced to pee for pleasure...! After being trained, Hibiki finally becomes the obedient bitch that her boyfriend likes, saying "I want a dick!" and swings her hips while drooling! The limited edition includes a special behind-the-scenes video. Hibiya-san's ever-changing expressions are so Ke'ai!