Librari

is a character in .
==Biography==
 is the elder of the . He lives inside a book in the in , and is the twin brother of the elder . He carries a feather with him, which came from a he fought when he was younger.
In order for the to open, must speak to the who lives near the at . Despite learning that once entered the , how he did so remains a mystery until encounters him in person.
After speaking to and , must retrieves three overdue ; when they are re-shelved by , he gains access to 's home. While speaking to , the elder triggers a trapdoor, causing to fall down a hole and face a trial to learn 's secret. After passing the trial and defeating a pair of , obtains the , allowing him to and .
 can with , causing a to appear in the .
After transforms into , the is closed. can still be found elsewhere, however; after with the in the northeastern house of for the second time, a crack appears near the at . The crack serves as the entrance to an obstacle-filled passageway that leads to an island at the center of , where can be found. He is astonished that managed to find him, and gives him a full as a reward. If spoken to afterwards, he will tell the location of the three across .
==Other Appearances==
=== (Himekawa)===
In the , hides a magic feather in the he gives to ; this feather transforms into a during 's battle against the .
==Nomenclature==
's name is likely a reference to the word library, the place in which he lives.