The upgrade rules of the fairyland of crossing

The legendary end of the world has not come, but Yang Yi's end has come.The only salary was looted by the landlady.No money, no job, no house!Are you going to sleep on the street?Fortunately, there is pie in the sky, and the temptation to suddenly become a millionaire is in front of you.Do?or not?Yang Yi signed the contract without thinking.One transaction, 180 million, Yang Yi sold himself.