Yuu, a career woman, has a secret. She has a strong sadistic habit of locking up her former subordinate, a masochistic man, in her apartment, wearing black tights and wearing duct tape. She keeps him as a caterpillar, not as a human being, with his arms and legs tied up. She never lets him out of the room, ties him up at work and when she goes out, leaves him tied up for hours, and keeps him hydrated for hours at a time. of urine, stomping, kicking, punching, waterboarding, flogging, anal dilation, and as a toxin out. She relieves the stress of the company by doing continuous forced ejaculation, and makes him lick his own vagina when he has time. I use it as a sex toy. After work today, Yuu goes home to see the caterpillar in bondage, and this caterpillar The former subordinate, who is a former subordinate of the company, has been missing for two years.