You Were Sent to the Capital as a Hostage, Yet You Took the Throne as Emperor?

Wei Ran transmigrated and became the stand-in for the heir of a different-surname royal family. The real heir enjoyed a carefree life in his own fiefdom, while Wei Ran was forced to be a political hostage in the capital? Since that was the case, then he might as well replace the real heir completely. The Emperor of Great Li said, “Prince Wei, I will grant you a marriage with the Third Princess!” The real heir’s aunt said, “Even though you’re my fake nephew, I’m still your real wife!” The real heir cried out, “Father, that impostor stole my princess and my aunt! I want my identity back!” The King of the foreign-named royal family replied, “Son… it’s too late. My army of three hundred thousand has already been wiped out by him…”