The second world: Emperor (ancient times)
The third world: Nianxia (ancient times)
The fourth world: campus (modern)
The fifth world: city (modern)
…
That's probably it, I'll update it as soon as it's written. I plan to write a long story about it!
(Hmm... Nothing is yet to be decided)
A series of people who were doing serious tasks but were inexplicably suppressed...
Intention: Doubt...