Blue Exorcist (Japanese: 青の祓魔師, Hepburn: Ao no Ekusoshisuto) is a Japanese dark fantasy manga series written and illustrated by Kazue Kato. 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 Satan.
主人公・奥村燐は修道院で暮らす少年。同じ修道院に住み、有名高校へと進学する双子の弟・雪男とは違い、就職先が見つからずにいた。そんなある日、喧嘩相手の不良に起こった異変と同時に、燐は悪魔の存在を知る。そして自分もまた悪魔であるということを．．．。 実父である魔神・サタンから自分を守るために命を落とした養父・藤本獅郎の死を経た燐は、サタンを倒すべく祓魔師（エクソシスト）になることを決意する。
Feeling slighted by Rin, Kuro goes on the hunt for a new master, but can he find anyone who can truly replace Rin?
The atmosphere in True Cross Academy is lively and boisterous in the days leading up to the grand festival held once every 11 years. During this time, Okumura Rin is entrusted with the responsibility of suppressing the berserk Phantom Train. In the midst of his mission, he meets a devil whose appearance is that of a young boy.
