Maomako, who was born in Fireworks Alley, is a girl with excellent reasoning skills and a wealth of knowledge about medicine. He originally worked as a pharmacist at Fireworks Alley, but when he went to collect medicine, he was abducted by people buying drugs. By chance, her talent was discovered by Ren, the eunuch in charge of the harem, and she was taken in by the harem. Maomao relies on his knowledge and skills to solve the problems of the Seraglio’s intrigues, gradually builds connections that influence the Seraglio, and discovers unknown aspects of the Seraglio.