Top-notch Little Horseman

When the Qin dynasty lost its mandate, war broke out across the land.
I'm not flustered even if my soul travels back to the end of the Qin Dynasty. Watch how I, a mere horse herder, carve out my own path in this chaotic world.
He was a horse herder, without official rank, clan, or armor. He accumulated money and grain through the trade of pasture grass and gathered refugees to build a powerful cavalry force.
Ye Chen, a modern-day special forces king, transmigrates to the border region at the end of the Qin Dynasty. Watch as he fights against evil slaves, bullies the wealthy and powerful, quells internal strife, destroys the Northern Barbarians, marries a beautiful woman, and establishes the Everlasting Imperial City.
He swept across the land, established his rule over the world, founded a new dynasty, ascended to the throne, and became the greatest emperor of all time.