Traveling through the Qin Dynasty, I seized the throne of Ying Zheng's father

I traveled to the Qin Dynasty and became Prince Fusu. My father, Ying Zheng, entrusted me with the task of supervising the country. As a modern person, I will definitely not stay still. I built cement houses, developed people's livelihood... The whole country was run around by me, but it seemed extremely prosperous. The three-year period has come, and the emperor father will be back soon, but he doesn't know that this country has already been mine. People: Are you sweating profusely, my friend? You are not welcome here, our emperor is Fusu! ...