He is a middle-aged man of the nouveau riche type who has been successful at work. He has money and lives in a splendid mansion, but his wife has disappeared with a young man, leaving him to spend his days alone. Betrayed, the man's eyes are empty and glass-like... A man who can't do anything but work decides to hire a maid, but an innocent, pure and beautiful girl appears, and he becomes abnormally sexually aroused. He trains and molds the maid into an absolutely obedient girl of his liking. But as his perversion escalates day by day, Riko...