What does it refer to?

Mysterious occurrences loom; the entire world dramatically changes.
The fate of individuals and nations becomes bound to AnalogHorror (rule kaidan), and once the chosen of destiny fail, it means countless people in their corresponding nation will be slaughtered by the strange phenomena.
The entire world falls into unrest, panic, and despair.
Until an absolutely unexpected individual joins the AnalogHorror game.
Xiao Yiwang glanced at the weird world before him and then at the examination admission ticket in his hand.
"Have middle school entrance exams always been this complicated? Well, it does prove my intelligence!"
"I am retarded, but selected to join the analoghorror game?!"

Livestreaming: I am retarded, but selected to join the analoghorror game?!

Xu Yingguang had originally gotten that thing for his own comfort, but now... he was feeling even more uncomfortable. 


As for Xiao Yi, he had already figured out what the unusual situation was all about. 


"It must be like this without a doubt," Xiao Yi affirmed with a nod, looking at Xu Woshi, "It seems I've started to go crazy. I'm delirious and spouting nonsense, Xu Woshi, it's all your fault."


Xiao Yi couldn't help but sigh, "Has it finally come to this point? Oh well, Xu Woshi, you be careful on your own. Whatever I do next won't be surprising. I hope that, years later, as I weep in prison watching through the iron bars, I won't always be reminiscing about the distant today when I stabbed you to death!"


"..." Xu Woshi remained silent in response.


"It seems there's nothing we're looking for at this location. Let's move on to the next possible spot to search."


Chapter 130 "Hundred Years of Prison Food