Madame Gu, Gu Yao's mother, who looks well-maintained and in her thirties. She was overseas with her husband and had not paid enough attention to her daughter. She initially objected to Gu Mingfei's plan involving Gu Yao and Han Muze, not wanting her daughter to be labeled as a third party interfering in her cousin's relationship. She handed Gu Yao the bottle of transparent toxic liquid.
