Spain, 1979. Irene is an aspiring writer who is obsessed with the delicate ghost at the library she works at.

Beauty Bookworm is the story of An, a shy, timid, and nerdy girl who is dubbed the "Sanctuary of Books" who has just transferred to a new school. With his intelligence, An was quickly noticed by the new school's VALUES (a gathering of academically excellent students), determined to entice him to join the association with the aim of making the association stronger, to conquer the knowledge contest in school and country.

Avid bookworm and college student Motosu Urano ends up dying in an unforeseen accident. This came right after the news that she would finally be able to work as a librarian as she had always dreamed of. When she regained consciousness, she was reborn as Main, the daughter of a poor soldier. She was in the town of Ehrenfest, which had a harsh class system. But as long as she had books, she didn't really need anything else. However, books were scarce and belonged only to the nobles. But that doesn't stop her, so she makes a decision... "If there aren't any books, I'll just create some."

During the Joseon Dynasty, a revolutionary book written by Heo Gyun goes missing. A scholar that's mad about books goes on the hunt for it commissioned by a high ranking government official. But as he goes on his search he discovers secrets that leave him having to choose between following his passion for reading or saving life. What will he choose in the end?