As for the actors of the Muyin City, my understanding is that all the protagonists have died and all of them have gone to the Flaming Yang World before returning.

As for the actors of the city, my understanding is that the main characters in the movie have all died. They all went to the Flaming Sun World and then came back, which is the current world in the animation. The Flaming Yang World was a world of cycles, so what happened in the real world was like this?

Answer 1

The Actor of the City of Megaigin was a Japanese novel about a group of young people who were engaged in the investigation and interpretation of mysterious events in the city. Some of them had died but were resurrected in another world, the Sun World. This novel was also adapted into a manga and animation, which was widely welcomed.