Manga by author Yang In-San

One day, Valen, the sole Librarian for the continent's greatest magic tower, accidentally discovers an ancient book in a hidden part of Sainbritt Tower's library "Through this book, you shall experience the same glory that I did." Suddenly uplifted from a simple Librarian to walking the path of a great Magician set to become the Empire's Hero Valen's journey to reclaim the future begins!