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Xu Meng, who died because of staying up late and working overtime for a long time, accidentally traveled to a world where his spiritual energy had just been revived. Facing a world full of dangers, fortunately, there is a time-travel system that allows Xu Meng to travel to other worlds again and again, and constantly gain strength to improve himself. However, during the continuous time-travel, Xu Meng also slowly developed doubts... Slow heat