I'm Just a Dandy. Who Said a Crime Can't Be Punished?

The mercenary king, code-named D, traveled through time to Da Xiang, a dude named Xiao Bao. Accidentally framed. In order to save his father, he uncovered the imperial list and joined the army as a criminal. Through the memory of his predecessor and the blessing of the system, he made military exploits step by step. It was later discovered that the mastermind behind the conspiracy was actually the Royal Family. So he began to subvert the court, and eventually changed dynasties and became king.