Hazuki and Tsukasa, senior investigators at the Kanto Narcotics Control Bureau, have hated drug crimes since childhood due to their father's influence as a high-ranking official. During an investigation into the Yamasaki-gumi, a group distributing illegal drugs, Hazuki, the elder sister, was captured. To rescue her, Tsukasa, the younger sister, bravely attempts a solo rescue mission, but they both fall into a trap and are taken captive. Ironically, they are both injected with a potent drug with aphrodisiac effects, exposing their hidden masochistic natures. Despite their hardened spirits and physiques, what awaits these two investigators, Hazuki and Tsukasa...?
