: The "Ch.4 Beta" signifies that this was a pre-release version of the fourth chapter, often used for bug testing and feedback from supporters before the final public release.
If you are looking for specific "paper" within the game or a guide for it:
In the context of Chapter 4 Beta of this game, players often look for "papers" or guides regarding the and branching paths that define the story's progression.
While there isn't a specific "paper" (scholarly or news article) tied to , this title refers to a specific update for an adult visual novel developed by St97 .
