"I am Tohko Amano. As you can see, I am a book girl."

"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!