Traveling Through the County Magistrate, I Became Stronger by Increasing the Number of County Citizens

Farming + System Lu Yu traveled to a county magistrate in a different world and discovered that this was an era of cold weapons. He awakened to a system in which more county residents would be rewarded, and a modern city was born. "Sir, times have changed. Who still fights with a knife nowadays?" Lu Yu silently took out a revolver and pulled the trigger.