The opening is a late Ming plane
If you had a space-time gate that could travel back and forth between the late Ming Dynasty and the modern era, what would you do? Is it a rich world, or a stable country.
Whether it's to enjoy life, or to drive out the Tartars. Children will make choices, and Li Chaosheng chooses both.
However, when Li Chaosheng took a deeper look at this world, he found that this didn't seem to be a simple historical plane, what was going on with this flying sword immortal?