遊行寺 闇子

"Will you please take care of Yoruko?" The real mother of Yoruko. As the library's owner, she is deeply involved in the matter of magical books. She spoils Yoruko with love, and she even believes it is okay to sacrifice everything for Yoruko's sake. The library and the books it contains are all prepared for Yoruko. Even today, she is collecting books for the happiness of Yoruko. [Translated from official website]