A Jesuit priest, unable to find plausible explanations for an eleven-year-old's strange behavior, begins to suspect demonic possession.

Raised by Father Fujimoto, a famous exorcist, Rin Okumura never knew his real father. One day a fateful argument with Father Fujimoto forces Rin to face a terrible truth—the blood of the demon lord Satan runs in Rin's veins! Rin swears to defeat Satan, but doing that means entering the mysterious True Cross Academy and becoming an exorcist himself. Can Rin fight demons and keep his infernal bloodline a secret? It won't be easy, especially

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"Shocked by the death of his foster father and the revelation that his real father is the demon lord Satan, Rin Okumura enters the True Cross Academy to learn to be an exorcist. But every great exorcist has to start somewhere, and for the students of the Academy the first step is the Esquire examination. To prepare for the exam, the new pages in Yukio's class must undergo intensive training. Rin and his classmates have their hands full when a demon...

"While most of the students at True Cross Academy head home for the summer break, Rin and his classmates are sent to a training camp in the forest district, and the right to go on a real mission is riding on their performance! Locating and recovering their objectives in the woods is tough and will require teamwork, skill and more than a little magic--and Rin will have to learn to rely on his friends. But is Mephisto masterminding something behind...

"Raised by Father Fujimoto, a famous exorcist, Rin Okumura never knew his real father. One day a fateful argument with Father Fujimoto forces Rin to face a terrible truth - the blood of the demon lord Satan runs in Rin's veins! Rin swears to defeat Satan, but doing that means entering the mysterious True Cross Academy and becoming an exorcist himself. Can Rin fight demons and keep his infernal bloodline a secret? It won't be easy, especially when...

"Awakened by the traitor Saburota Todo, the Impure King's massive form threatens to engulf the city of Kyoto. As the Exorcists of the Tokyo Branch and the monks of the Myodha temple do all they can to contain the demon, Rin and his friends find themselves separated and facing their own battles. While Rin and Ryuji race to confront the full might of the Impure King, Yukio takes on Todo singlehanded and discovers that he may be his own worst enemy!"...

"All of Rin's friends have done their best to hold off the deadly Impure King so Rin can confront it. Now it's entirely up to Rin to finish off the gigantic demon. Although Rin has finally drawn the Koma sword and found his confidence, that alone may not be enough to defeat the Impure King! And Yukio's battle with the possessed Saburota Todo may have awakened something dark deep within him" -- from publisher's web site. Raised by Father Fujimoto,...

"As the True Cross Academy festival reaches its peak, trouble is brewing. While Izumo confronts Nemu Takara, Rin and the rest of the Exwires race to find her. The betrayal they discover and the tragic details of Izumo's past will shake them to the core and herald the beginning of an all-out war between the Illuminati and the Knights of the True Cross!"--

Imprisoned by Professor Gedoin, the exwires must fight to survive and rescue Izumo.

William Peter Blatty's intended vision for The Exorcist III comes to life in this alternate version: Legion. Combining elements of a detective story and a theological puzzle, Legion follows police lieutenant - and close friend of Father Damien Karras - William Kinderman (George C. Scott) investigating a series of gruesome religious murders.