God of time travel, don't be kidding

Li Yunruo, a third-year student who often spends all night in Internet cafes and is addicted to games, is also a good boy in the eyes of his parents and a good student in the eyes of his teachers and classmates!But one morning, on the way to buy breakfast, he fell into an uncovered sewer, and fell into a world that overturned all his theories. (Although this article is a time-traveling article, there is no plot of fighting between men and women fighting in palaces and houses. There may be ups and downs in the plot, but the article is still biased towards light-hearted ones)