This is the MC Mansion series, directed by Hypnosis Drill director Keiko Morikawa and featuring a researcher from the Hypnosis Development Department. MC's planning and development department head, Yoshimura, becomes the building manager to test out hypnosis products. He gets caught by a woman and reprimanded, but uses a hypnosis light to turn her into his sex slave. He then tests out a new type of special vibrator, increasing her sensitivity and arousal to enjoy intense deviant play...
