Kat?, Kazue

"Surrounded by the fiery wreckage of the Illuminati airship, Rin struggles to control his demonic alter ego before it consumes both himself and Yukio. The brothers are torn by a mutual misunderstanding of each other that can only be reconciled with an all-out fight that has been a long time coming. Later, all the Exwires except Shiemi are reunited and try to come to terms with what has happened. But the battle with Satan is far from over. Elsewhere, Shiemi will face an opponent who will test her newfound resolve"--Back cover.

"Now back in the present, and with the terrible, tragic knowledge of the truth of his and his brother's birth, Rin confronts Yukio aboard the stricken Illuminati airship, Dominus Liminis. As the brothers face off, Satan does his best to drive them both further into his grip. Rin wants to bring Yukio back into the fold of the Knights of the True Cross, but Yukio is firm in his desire to force Rin to kill him. With the airship going down in flames, the battle for Yukio's soul begins . . ."--Back cover.

"As his vision of the past draws to a close, an older Rin bears witness to the tragic climax of the Blue Night. He watches as Satan's cloned body can no longer contain the massive cosmic energies within him. The Knights of the True Cross are faced with an unprecedented crisis as a wave of destruction begins to sweep across the world"--OCLC.

"Rin bears witness to the fateful Blue Night when his mother, Yuri Egin, gave birth to both Rin and Yukio. Rin never wanted to see--or even know about--his birth, but now he has learned something about himself that he may need in the coming conflict. Meanwhile, aboard the airship Dominus Liminus, the Illuminati and Lucifer move forward with their plans to bring forth Satan and return the world to nothingness. Lucifer has welcomed Yukio as an ally, but Yukio has other ideas"--Back cover.

"The tragic story of what happened to Rin and Yukio's mother, Yuri Egin, continues to unfold. Yuri and Father Fujimoto were once up-and-coming young Exorcists involved in Section 13's extensive operation to research elixirs of immortality and devlop clones to house the spirits of demons. The projects seemed to be moving ahead until the unexpected manifestation of a demonic spirit into one of the clone bodies. And not just any demon--the most powerful demon of all: Satan!"--Back cover.

"The seals binding the artificial Gehenna Gate are broken, and the world is gripped by demonic chaos! The Exwires try to figure out what to do without Rin and Yukio, the Knights of the True Cross scramble to regroup and everyone seems lost. As nations around the world struggle to contain the outbreaks, Rin faces Mephisto, demanding to hear about his past. Mephisto couldn't be more delighted to show Rin what happened all those years ago, but as Mephisto warns him, the story can only end in tragedy..."--Back cover.

"An attack on Tokyo by a huge demon that is visible to almost everyone marks the start of an unprecedented outbreak of demonic activity around the world. While the Knights of the True Cross and the Japanese government scramble to contain the damage, Lightning's investigation into the Illuminati has pushed the Knights of the True Cross--and Yukio--just a little too far. Now Yukio rushes to confront Mephisto, determined to hear the truth of the circumstances of his and Rin's birth. Yet Mephisto, aloof as always, still seems to be pulling everyone's strings. For Yukio and Rin, there will be no easy answers..."--Back cover.

While preparing for the Esquire Examination at True Cross Academy, Rin and the other exorcists-in-training find themselves confronted with a demon, but they are unsure if it is part of a training exercise or for real.

Rin runs into trouble when his sword is stolen by Amaimon, while he and his classmates are searching for a ghost, and higher powers make their presence known to the students of True Cross Academy.

When Rin Okumura learns his real father is the Demon Lord Satan, he swears to defeat him and enters True Cross Academy to become an exorcist.