Stone Age Immortality

Chen Mingyuan died suddenly from working overtime. When he woke up, he was tied to a wooden post in the Stone Age. He thought he was about to be “sacrificed,” but it turned out they were feeding him “shit.”

He uses modern knowledge to farm, hunt, and invent. He only wanted to lie flat, but little by little, he ends up uniting the tribes. Stranger still, he discovers that he doesn't age...