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Li Yibai, a migrant worker born in the 1990s, originally worked overtime late at night, but ended up passing out in front of his work station due to physical reasons... As soon as he opened his eyes, he came to another world. This world was completely different from the place where he once lived. It had beautiful mountains and clear waters, without the hustle and bustle of modern cities. Looking at the houses and farmland of the same style in the history books, he seemed to have come to the Tang Dynasty in history. However, this was different from the Tang Dynasty that he had studied in books. There were no historical celebrities or literati that he was familiar with here. It seemed that everything was different, as if it was another different dimension...

The male protagonist works out of town and wants to be a father before he gets married. The house leaks and it rains all night. When his ex-girlfriend comes back from studying abroad, the first thing she does is to find him...