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When darkness fell, Xu Bin found that the entire school was locked in a cage. In order to escape, Xu Bin began a bloody battle...

"Young man, do you want to become stronger?" After traveling through time, Chu Fan heard a voice in his mind. "Think!" Chu Fan replied without thinking. "If you want to become stronger, you only need one shot of 648. There is nothing that one shot of 648 cannot solve. If there is, then use another shot!" Chu Fan: "..."

The virus breaks out and the apocalypse comes. This is a disaster, a disaster for all mankind. When Wu Kai was dying of infection, a mysterious system came...