After Getting the Tycoon System, My Campus Beauty Girlfriend Wants to Break Up

Xu Lei transmigrates to a parallel world. Before he can even figure out where he is, someone smashes a bottle over his head and gets right in his face. “Xu Lei, you good-for-nothing. You can’t even afford an iPhone with a month’s salary. What makes you think you deserve to be my boyfriend? I’m breaking up with you!” “Ding! Congratulations, Host. You’ve awakened the Supreme Tycoon System! Spend 5 billion and get 50 billion in rewards. Spend 50 billion and get 500 billion, and so on...”