Tachibana of the Narcotics Investigation Bureau's Special Investigation Division 2 was tracking a criminal organization manufacturing and distributing patch-style aphrodisiacs. One day, she finally caught the organization's trail and attempted a solo undercover investigation at their hideout, only to be captured. Bound and helpless, she looked up to see her superior, the division chief. Shockingly, her own Narcotics Investigation Bureau was secretly connected to the criminal organization...