One day Tohko borrows a book from the library, but there are pages missing. There's no way the Book Girl, who loves books so much that she devours them, is going to stay silent about this! Caught up in Tohko's rampage, Konoha and Akutagawa are forced to perform a play for the school's culture fair. But Tohko and Konoha glimpse the darkness in his classmate's heart. A soul stands immobilized, bound by the mistakes of the past. Will the Book Girl be able to set it free?

I am Tohko Amano. As you can see, I am a Book Girl.' Two years have passed since Konoha's first encounter with the mysterious girl who thus introduced herself. Guided by this Book Girl who loves books so much that she devours them, Konoha has overcome a lot. But the day of Tohko's graduation is approaching and...suddenly the Book Girl lets slip a confession of her betrayal. Stunned, Konoha is further rattled by Ryuto: 'Tohko Amano is gonna disappear.' 'You should learn who Tohko Amano is.' What is the secret Tohko has kept hidden? How will Konoha and Tohko's story conclude?

The Book Girl brings a whole new meaning to the phrase 'devouring a good book' in this fun, charming fantasy novel series about the wonders of the written word. This series is sure to please fans of YA fantasy and librarians across the board! 'You don't have to write. I'll stay with you.' Nanase's words may have saved Konoha, but Ryuto's words only trouble his heart once more: 'I might break Kotobuki.' And just after, Tohko vanishes. All that remains in her empty house is a shredded school uniform. Can Konoha follow her? What answer will he find as the truth gradually comes to light? Tohko's prayer, Kanako's hatred, Ryuto's anguish-the story hidden at the root of them all is about to be revealed! The bold final episode of Book Girl!