This book describes how the Great Chu Saint, who was benevolent and filial by nature, valued family ties, the deep love that lasted until death, the life-and-death friendship between brothers, and how he, who was highly valued by the emperor, was destined to become an emperor. Why did he propose the "Han-Yi family" and include Khitan, Korea, Tubo, Dangxiang, and Jurchen Nanzhao into the forest of the Chinese nation. Saved the Han nation from being ruled by foreigners.