The eldest son of the second branch of the Pei family. Described as elegant and gentle, neither scheming like the Second Master of the Pei family nor tainted by the second madame's snobbery. He carries some of the grace of the Duke in his youth. He is Old Madame's most beloved grandson after Pei Yanzhou. He probes Song Jinyin about events involving Pei Yanzhou and Ye Wanqiu, subtly suspecting a connection between Song Jinyin and the man behind the rockery the previous night.
