Also known as Concubine Cheng, she is a concubine in the Protector's mansion backed by the powerful Cheng clan. She had an affair with an unnamed man inside the mansion. When the original Wen Ning witnessed their tryst, Cheng Huiyu pushed her into a lake, causing her to drown. She attempted to poison Wen Ning with ginseng soup and planned to send a physician to harm her. She is seductive, cunning, and ruthless.
