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?!

"I don't really understand..." At this moment, Six couldn't help but ask, "So, I have a question. Now that we have the Time Vibration on this ship, isn't it normal to bring something from the past into the present since the Time Vibration can travel through time?"


"No, that's not right..." Wei'er shook her head and explained, "We can have a certain influence on different times, but we can't bring people and objects from one time to another because, for the present, that would mean they appear out of nowhere. It would break the conservation laws. Otherwise, I would have brought back Ye Lianyu from the past long ago."


"Then...!" Hearing Wei'er's words, Ye Xi got excited, "That means... my sister, she's really still alive, right!?"


Chapter 324: Time Vibration, I Finally Got It_2