Library of Ruina: The Designated Librarian of the Story Layer

[Library of Ruina + local protagonist + two female leads + related mods + urban setting + transmigration + sister who dotes on her younger sibling + younger sister who's (abnormally) obsessed with her older sister] The City: in a place that devours people without a trace, a friend you were chatting with one second might draw a knife on you the next.

“This City has always been like this.”

“Perhaps this is the only way we have even the slightest chance of survival.”

“Hey! Don't do anything stupid! Bai Ye is only missing!”

“In the City, being missing is more or less the same as being dead.”

“So, I'm the designated librarian here now?”

“That's right. Though I think you could help with receptions on the other floors when things are quiet.”

“I see. Got it.”