Heroes in the Late Jin Dynasty: Start by Planting 20 Acres of Wuchang Rice

At the end of the Western Jin Dynasty, I started as a man-picking boy. I had a domestic mission system in my hand and built a beautiful countryside in troubled times. I played mahjong when others were fighting, and I opened a shopping mall when others were plundering me. I am the richest man in the world, who should I be afraid of?