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Blue Star of Mist Defense: One day, everyone was living their normal lives as usual. Near evening, everyone on Blue Star received a mysterious email. "Hello! Friends on Blue Star, I am 'Shamo' from the future. This is our seventh attempt to destroy Blue Star." Escape Diary: Today is the 571st day of the virus outbreak. There are fewer and fewer resources available to people, and there are fewer and fewer shelters due to time constraints. Youth Time Travel: Ciyuan traveled through time, and also entered the typical story about wrong children. However, as time went by, he discovered that it seemed that he was not the only one who had traveled through time. Essay: Some random thoughts that came to mind, no follow-up