The Eight-Year-Old Prodigy

Eight-year-old Chen Shiyuan nearly drowns and wakes up carrying the soul of a modern adult, along with the knowledge of two lifetimes. He finds himself in a family that is dirt poor, and the boy must figure out how to use his unusual mind to help the people around him. The story centers on his efforts to change his household's fortunes while adjusting to a body that is not quite his own.