"Tokyo Ravens" is a Japanese light novel series written by Kōhei Azano. It follows the story of Harutora Tsuchimikado, a boy from a prestigious family of onmyoji, who is unable to use magic. Set in a world where onmyoji practice traditional Japanese spiritual techniques, the series explores themes of friendship, destiny, and the supernatural. The story begins when Harutora's childhood friend, Natsume Tsuchimikado, who is a powerful onmyoji, re-enters his life. As they face various challenges, including battles against evil spirits and rival onmyoji, Harutora discovers his own potential and the importance of his heritage. The series has been adapted into manga and anime formats, gaining popularity among fans.