The Farthest Library

is a Japanese light novel series written by Irori Fuyutsuki, with illustrations by Namie. The series began publication on February 9, 2019 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
At the northern end of Paraina, a world where space has will and magical power and various monsters live, there was a "farthest library" that no one visited.

Wallace, the director who has no memory, meets Lucia, a girl from "The Town of the Beginning", through the mirror and lends her wisdom to "I want to help the hero to subdue the Demon King."

In the neutral library, the Demon King subjugation was somewhere else's wallace, but he knew that his memory was the key ...

A timid and too kind girl. A maid who lacks emotions. A brave man who was unintentionally entrusted with the world.

Wallace, who believed in the bond with them, also went to the battlefield-

This is somewhere lonely and endlessly gentle to the people who protected the world secretly [a fairy tale that will never be handed down]