The strongest woman in the special investigation team "Numbers" with the brains of IQ228, codename 01'One'. She receives information that an aphrodisiac human experiment is being conducted at a certain hospital, and she begins an undercover investigation as a female doctor. One who gets inside with perfect medical knowledge and steadily approaches the center. However, due to the failure of her subordinates, she is captured by her enemy and becomes an experimental body of the aphrodisiac Rep. She resists her aphrodisiac with her tough spirit and well-trained body, but her consciousness flies to her amplified climax pleasure, and she finally reaches her limit.