Three Kingdoms: Start by buying a governor.

[System] + [Refreshing Read] + [The Legacy of Cao Cao]
Liu Ce travels back to the late Eastern Han Dynasty and becomes a member of the Han imperial family. He obtains a system and starts with maximum martial prowess.
In order to preserve his family fortune in this chaotic world and provide a warm home for all the beautiful women in the land, he had no choice but to go to Luoyang to buy an official position.
He successively recruited Guan Yu, Zhang Fei, Zhao Yun, and Dian Wei, quelled the Yellow Turban Rebellion, was enfeoffed as a marquis and appointed as a general, established his own territory, recruited civil and military officials, and after the emperor died, led ten thousand iron cavalry to conquer the world and unify it.