Crown Prince's Librarian in the Secretariat, overseeing collections of classics, histories, philosophies, and literature, as well as compiling legal codes. Lowest official rank among those present but deeply respected as a veteran official of three reigns. Previously served as director of the Office of the Crown Prince when Yuan Longdi was heir apparent. Survived the purge of the original Eastern Palace faction due to his talent and loyalty. The Crown Prince once saved him from dire straits.
