Biography of Cong Ke

After traveling through time and space, Li Congke realized that he had an elder brother named Li Cunxu and a father named Li Siyuan deep inside the Five Dynasties and Ten Kingdoms. If nothing unexpected happened, he would become the emperor in the future and become the most famous emperor in the history of the late Tang Dynasty who won the throne. It seems like a good version of the protagonist, but I really don't want to be the king of a subjugated country and die by self-immolation, so...