The Heir of Wuding, who stood in for his elder brother at the wedding. His elder brother, the actual groom, was bedridden with asthma due to a spring cold snap. Xu Sheng watched Xue Wanyao fall into the water but could not bring himself to save her since she was his sister-in-law. He is described as somewhat cynical and pragmatic, advising Gu Zhuo that the auspicious hour was approaching and they should return to the manor.
