, also known as Ao no Exorcist, is a Japanese supernatural action manga series written and illustrated by Kazue Kato. The manga has been serialized in Jump SQ magazine by Shueisha since April 2009, with individual chapters collected into sixteen tankobon volumes as of January 4, 2016. The story revolves around Rin Okumura, a teenager who discovers he is the son of Satan born from a human woman and is the inheritor of Satan's powers. When Satan kills Rin's guardian, Rin decides to become an exorcist in order to defeat his father.