<P> Blue Exorcist (Japanese: 青 の 祓 魔 師 (エクソシスト), Hepburn: Ao no Ekusoshisuto) is a Japanese supernatural action manga series written and illustrated by Kazue Katō . The manga has been serialized in Jump SQ magazine by Shueisha since April 2009, with individual chapters collected into seventeen tankōbon 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 . </P> <P> The series was adapted into an anime television series by A-1 Pictures in 2011 and into an anime film (Ao no Exorcist Gekijouban) in December 2012 . Viz Media has licensed the manga for North American production, with the first volume released in April 5, 2011 . Aniplex of America also released the anime's DVDs in English regions . A second season, titled Blue Exorcist: Kyoto Saga, premiered on January 7, 2017 . </P> <P> The series has been well received by readers with sales having received a boost thanks to the anime's release . Publications for manga and anime compared the series with other shonen manga but still praised the series' story and artwork . </P> <P> The world of Blue Exorcist consists of two dimensions, attached to each other as a mirror and its reflection . The first is the material world where humans live, Assiah (物質 界), and the other is Gehenna (虚無 界 (ゲヘナ)), the world of demons, which is ruled by Satan . Originally, a journey between the worlds, or even a contact between them, is impossible . However, any demon is able to pass to the dimension of Assiah through the possession of a living being in it . Even so, in history there are demons wandering among humans and only those who can see are those who have had direct contact with a demon of any level . </P>

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