I Traveled to Another World and Became a King and Emperor

Real life is ordinary. I accidentally travel to another world, open a space-time warehouse, and achieve amazing feats. The country is weak, the people are in dire straits, and they fight against the ignorant king at the top and the slanderous ministers at the bottom. Use modern knowledge to conquer cities in this era of cold weapons, until you become king and emperor, and return with beauty! Who is the master of the world, who can unify the mountains and rivers, I am the only emperor through the ages——Qin Feng! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.