『…This isn’t going to end with an “everything was a dream” or “this guy’s not dead yet” right?” If it is, I’m gonna destroy this library.』Shanon growled at the silent Heavenly Demon and Jeong-woo, both of whom looked at each other inquisitively. 

“…They’re memes for bad endings that were once popular on Earth. I think he’s asking if this is all a dream. No, how do you even know that, Shanon?” Jeong-woo asked. He was surprised that someone who’d never lived on Earth knew such trends. 

『Is that what’s important right now?! Say something! Is this really a dream? Did my damned master completely assimilate with the Black King and start to play the dream?』

The currently developing universe was all the Black King’s dream and technically, the Black King was always asleep. However, Yeon-woo was able to roam around freely because the dream’s owner was identifying himself with an ego in his dream. That meant the Black King was traveling in this dream with the identity of Yeon-woo, and that dream was the original worldline. 

So technically,...