I don't think this is well known? But I'm not sure-
TOSHOKAN NO DAI MAJUTSUSHIIIII ( https://www.mangago.me/read-manga/toshokan_no_daimajutsushi/ )
First of all the art is so, SO amazing, one of my all time favorites. The story is simple and sweet, a young child with a passion for books wants to explore the world, read more books and become a l......