Aya Shiomi is a senior agent with the Kanto Narcotics Control Bureau. Influenced by her father, an executive at the bureau, she has hated drug crime since childhood. When the Sawaki Alliance, a group distributing illegal drugs, captures her, she is injected for the first time with a drug that has an extremely powerful aphrodisiac effect. The forced stimulation draws out the submissive, masochistic desires she had kept hidden. What fate awaits the highly trained agent as the orgasm torture continues?