Doomsday Natural Disaster: Stock up and Buy for Zero Dollars! Sister Has No Morals

If one day you received a text message predicting the end of the world, would you believe it? An Yue didn't believe it at first, but when something strange happened to her, she had to believe that the end of the world was coming. Spend all your savings to stock up on supplies for an adventurous journey. Not enough supplies? Then let's go on a crazy zero-dollar shopping spree in the last days. As long as you can afford it, you must buy it all.