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Since the door opened, disasters have occurred one after another, so it is called "Zero", which means unreasonable disaster. The world behind the door is the Zero Domain. After many efforts, the closed door was opened one day! After he understood the current situation, he was so panicked that he cried out: "How can ordinary people live in this situation?" Everyone was shocked. You were afraid that you had some misunderstanding of ordinary people, so you cast your eyes on the brother behind him. As everyone knows, the elder brother's biggest reliance is his younger brother, well, an "ordinary person".