Misuzu Shimouma, a senior investigator at the Kanto Drug Enforcement Bureau, has hated sexual crimes since she was a child, due to the influence of her father, who was an executive at the bureau. However, when she is caught by the Fujinami Association, which distributes illegal sexual materials on the streets, she is injected with a strong aphrodisiac drug for the first time, and her hidden masochistic side is revealed.