Also known by his code name Zuo Yu in the Zuo sect. He is a disciple of the Zuo sect, a Chinese medicine sect where members use code names as pseudonyms. He serves as the Lu family doctor. He is good at raising Gu to treat diseases, a practice too unacceptable in modern times, which is why his international activity is very low. He helped Qiao Xingwan cover up her identity by telling President Lu that she fainted from too much sex, successfully dispelling Lu Jinwang's suspicions.
