How Come I Am an Unruly Citizen and Become the Emperor?

Traveling back to ancient times, his predecessor was in debt and could no longer keep his wife and daughter. Lu Chen first transformed into a poetry fairy and gained the acquaintance of noble people, and then made a lot of money from his inventions. He opened a company to expand his business to the north and south, and built an army to resist the invasion of aliens. After messing around, Lu Chen found that he was as rich as the country and had many talented people under his command. The people were pressuring him to ascend the throne and proclaim himself emperor. Lu Chen couldn't help but feel helpless: I am a unruly citizen, why did I become the emperor?