Three Kingdoms: the Country Perished Just After Becoming Emperor?

The carriage was bumpy and the setting sun was like blood. I woke up and found that I was Liu Bian, the young emperor of Han Dynasty. Be an emperor? Before he could laugh out loud, a cry came from outside the car curtain: Your Majesty, Dong Zhuo has entered Beijing! Outside the city, flames shot into the sky, and most of the civil and military officials ran away. Is the country going to perish before this Dragon Throne is even hot? What about the system? Give me an option to survive!