If I Run a Food Delivery Service, the System Will Reward Me with a Net Worth of Tens of Billions

An ordinary delivery boy obtained a powerful system in an accident. With the help of the system, he not only changed his destiny, but also quickly rose to become a powerful figure in the city, controlling countless wealth and power. How does a deliveryman counterattack from the bottom, break conventions, challenge social rules, and eventually become a legend? What secrets is hidden behind him, and how will he face powerful enemies and inner demons?