Library of Ruina: Wings of Salvation

After Avesta cleared the Library of Ruina, an unexpected thing happened. When he opened his eyes again, he was standing at the library entrance...

【Impurity】 The founder of Wings of Salvation, does not belong to this world, stimulates the original time line.

L company employees? Book theft? Strongest librarian? Which is his true identity?

Wandering between The Library and The City, what kind of spark will he and the guests have?
How will human destiny be improved?
The library is eternal.
Splendor, solitude, endless.
Looming motionless.
Rare books.
Useless, indestructible, secret.