History's Greatest Prodigal Son

Qin Lingyun transmigrates to the Qian dynasty and becomes the only son of a salt merchant. At last, he doesn’t have to work hard in this life. He has long envied the life of a rich second-generation heir. After the dull entertainment of ancient times nearly drove him out of his mind, he finally couldn’t lie around any longer. He had planned to make things for himself, and invented a few little gadgets. But he accidentally took things too far and caught the attention of the emperor. Now he has no choice but to get to work and keep the business running! Qin Lingyun: I just want to lie flat and be a rich second-generation heir who eats, waits, and does nothing!