Fast travel, multi-dimensional travel.
Zhou Qingzhi wrote a book
Then he threw away the book
No prologue, no ending
but it's over
Received in advance
The First World: The Mermaid's Pearl (Middle Ages)
The Second World: Here I See Qingshan (Martial Arts)
The third world: one man's uprising (abo)
The Fourth World: The Embarrassing Level (Modern)
The Fifth World: A Journey of the Five Senses (Western Fantasy)
........
Concept: A good story must have its own malleability