Maomao

She is a young girl working as an apothecary and is a daughter of an apothecarist who lives on the outskirts of the city. She provides her services to a brothel and in the capitol and its courtesans. After being kidnapped and sold, She then used her knowledge of medicine and poison which she became a poison taste tester for the Emperor concubines. ( You can be whatever you want ) ( Anime: Apothecary Dairies)