I Use My Crazy Imagination to Reshape History

I am the most useless student in the history department, and I have to develop a huge imagination even to death. Unexpectedly, I really gained the ability to enter historical time and space. From the Qin Dynasty to the Ming and Qing Dynasties, I relied on my whims to rewrite history into the most exciting stories: Qin Shihuang did not refine elixirs, but modified steam engines to sweep across the world; Emperor Wu of the Han Dynasty did not only respect Confucianism, but directly pursued global trade hegemony;