After Binding the Quick Travel System, I Became a Billionaire

The Kuaiwen money-making system came to the door, and Qi Su readily accepted it. My dream of becoming a rich woman is about to come true. First I need to buy a house and then travel around the world... Wait, how did you accidentally become a billionaire! (Traveling through various worlds, including the apocalypse and the overlord story...) No cp, develop a good attitude, everything is difficult at the beginning, but it will get better later.