Reborn in the Three Kingdoms, I Actually Traveled Through Time and Became Niu Fu

After being reborn in the Three Kingdoms, he found that he had traveled through time and became Dong Zhuo's son-in-law, the Liu Mansion. The protagonist couldn't help but feel that the sky was falling, but now that he has come to this era, his surname is Liu Xie. I, Niu Fu, also have the surname Niu. He is the emperor, but I cannot be the emperor no matter what. Let's see how I create a legend. (No brainer and cool article, focusing on fast pace in the early stage)