Ascended to the Throne and Proclaimed Himself Emperor

He was originally a destitute prince, but because a civet cat was exchanged for a prince, he became a hostage in an enemy country. That year there was a mutiny in the enemy country. I thought I could return to my homeland, but I didn't expect to be kidnapped and taken to the north. The Northern Territory advanced into the land of Zhongzhou and took advantage of the chaos to escape. My country is no longer here, and so is my home. Where should I go...