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?!

Iron Brother had fallen to the ground, poisoned, in just two seconds!


Everyone was shocked and quickly rushed forward to check on Iron Brother.


However, no further confirmation was needed, everyone was already sure that Iron Brother was dead.


"..." Dick shook his head, "He's already dead."


Upon hearing Dick's final confirmation of death, everyone reacted differently.


Xiao Yi and Xi Yun both furrowed their brows, more concerned about someone dying than what had actually happened.


Dick thought deeply, while Yuzuki Hibiki remained utterly confused.


Sheraya also couldn't help but wonder, since neither she nor Xiao Yi had poisoned anyone, who then was responsible for the poison?


Besides the Wolf, who else would want to kill?


Upon seeing Iron Brother dead, Yun Sha covered her mouth, collapsed to the ground powerlessly, and began to sob mournfully.


Chapter 72: Impulse