Late Qing Dynasty: Sweet Potato Market Opened, and the Inner World Swallowed up Thousands of Territories

Set in the late Qing Dynasty, my cousin looks like Honggu, and my fiancée is actually her! Others are hoarding rice to enrich the country, but I open a shop and sell sweet potatoes at a 100% discount! Grain merchants hired thugs to smash the market with knives? I kicked him away and crushed my knees! There is an inner world inside the body, which can swallow all things and expand infinitely. Warlords, foreigners, evil spirits? In this township, I have the final say!