The little bookworm's trick: Do whatever it takes to become a librarian!

"Reno Motosu" who lived in modern Japan, passed away on the day she decided to work in the library of her dreams. She wanted to read more books, and with this thought in mind, when she realized it, she had the conscious body of a young girl from another world and regained consciousness. The stage of the story is a city in a different world in the Middle Ages ruled by nobles with magical powers. In a strict identity system, Mai Yin, a girl with knowledge of modern Japan, struggles to get the book.