When he woke up, Yan Xu found that he was the only one left in the family. Where were the others?
Not only is the person missing, but there is also a magical exchange center, which actually says that this earth is no longer suitable for human survival, and the remaining resources on the earth need to be collected to exchange for passes and supplies from another planet. How can this be done?
Please save Sarah. . . .
Purpose: No matter what difficulties you encounter, you must live hard