Chen Yuan, a graduate student in the Department of History in the 21st century, traveled to the Sui Dynasty and became Chen Yuan, a descendant of a declining family in Hongnong County, with the courtesy name Mingyuan. Yang Guang's third conquest of Goguryeo failed, and the world was in turmoil, but history quietly turned a corner here - the Jiangdu mutiny that was supposed to happen was resolved in advance by a mysterious figure. Although Yang Guang was ignored, he saved his life. A royal prince (fictional character) named Yang Zhao suddenly emerged and started the "Yuanhe ZTE".
