Normal version
The story of a good-for-nothing cultivator who traveled to another world at the end of the world, traveled again to the world of Harry Potter thousands of years ago before he was born, and then returned to another world to dominate the world after his coming-of-age ceremony.
Ventilation version
A useless cultivator who is a fujoshi + a loser + a loser first travels to another world, then to the world of Harry Potter, and then to another world. It is the story of a convulsive woman who travels back and forth and abducts a beautiful woman.