After Traveling Through the Back Room, the System Left Me with Three Abilities

I'm Looking for a Book from Backrooms, Preferably One That's Pure Backroom.

I would like to read a book similar to "Civilization Invasion: Summoning Players to Push the Back Room". Books related to Backrooms are also available.

I Beg for Novels About Backrooms

Where Did You Watch "Lord of the Mysteries"?

I want to watch "Lord of the Mysteries" but I don't know where to watch it. It's best if it's free. If it's really not available, forget it. By the way, is it good?

Are There Any Back Room Novels? (No System Required)

Are there any back room novels? (No system required)

Please Give Me a Back Room Novel! ! !

I want to read a book like "I Became Half a Spoiler". There are no books to read! ! !

Have You Ever Come to the Back Room and Become a Spoilsport?

I want to see a story with strong logic, a calm protagonist, and someone who can always come up with a way to deal with danger.

Are There Any Books About the Back Room?

I saw a list of books for CSP, but there seems to be no list of books for the back room. Does anyone know of any books about the back room?

I'm Reading a Book About Spoilers, Please Recommend)<

I would like to read a book like "Back Room: You are a spoiled cat, raise a ball".

Can You Give Me Some Supernatural Books?

Want to watch something similar to "Paranormal Action: Something's Not Wrong With My System".