One day he calls an escort service, only for his junior coworker Reo, a caregiver, to arrive at the door. Quiet and reserved at work, she begs him not to tell the company because she needs the money. Her unexpectedly lewd side makes his desire impossible to contain. He uses the threat of her losing her job to make her undress, revealing a voluptuous body with enormous breasts he never imagined she possessed. From that day on, he declares her his slave.