Blue Exorcist is a Japanese supernatural action manga series written and illustrated by Kazue KatĹŤ. The manga has been serialized in Jump SQ magazine by Shueisha since April 2009, with individual chapters collected into seventeen tankĹŤbon volumes as of July 4, 2016. The story revolves around Rin Okumura, a teenager who discovers he and his twin brother Yukio are the sons of Satan born from a human woman, and he is the inheritor of Satan's powers. When Satan kills their guardian, Rin enrolls at True Cross Academy to become an exorcist under Yukio's tutelage in order to defeat his father.