Taking Advantage of the System After Rebirth, I Will Build a Farming Empire

Opening his eyes, Li Changqing found that he had been reborn. Just when he was about to use the golden finger of rebirth to become the overlord who slept on the lap of a beautiful woman and regained control of the world, he suddenly discovered that his farming civilization's 100-fold return system had also been activated. So, when the people on earth didn't know how to gain a foothold in the tribal world, he had already created the model of the Obsidian Empire. And when the people on earth finally figured out how to gain a foothold in the tribal world, he was already ready to do something ruthless. When he established himself there with a huge amount of technological products. The top brass of China were alarmed! Then…