Recasting the Glory of the Han Dynasty

A little bit of cheating, but not tech-savvy~ Text introduction: Hey, what's going on? Have I become the prince of a big man? Hahaha! It is our duty to restore the glory of the great Han Dynasty! Wait, something is wrong. What kind of Han is this man? Can a Hungarian Han be a Han? Why am I in the grassland now? Hey, bastard! Liu Cheng suddenly traveled to the "absurd and beautiful" dynasty in the eyes of the literati, and became Liu Yuan's grandson. Let's see how he recast the great man in the era of endless internal strife and corpses everywhere. Well, let's set a small goal first and survive first! My uncle is coming to kill with a knife!