Hello Mr. Billionaire

A goalkeeper's refusal to participate in match fixing earns him the chance to inherit a hefty sum of 30 billion RMB from a secret billionaire. But the catch is in order to become the rightful heir to the inheritance, he has to complete the challenge to "spend 1 billion RMB in ONE month" without any of his friends knowing it. This is the first time in his life he has worried about not losing enough pennies from his pocket...