The plain-looking daughter of an apothecary who lives on the outskirts of the city, and provides her services to a brothel in the capital and its courtesans. After being kidnapped by bandits who sell her to the Imperial Palace, she is accidentally dragged into palace intrigue, using her knowledge of poisons, medicine, plants, and basic chemistry to become an unofficial forensic pathologist, in addition to becoming a lady-in-waiting and poison taste-tester for one of the Emperor's concubines.