A certain college girl who's loved books ever since she was a little girl dies in an accident and is reborn in another world she knows nothing about. She is now Myne, the sickly five-year-old daughter of a poor soldier. To make things worse, the world she's been reborn in has a very low literacy rate and books mostly don't exist. She'd have to pay an enormous amount of money to buy one.

Myne resolves herself: If there aren't any books, she'll just have to make them! Her goal is to become a librarian. This story begins with her quest to make books so she can live surrounded by them!