"In the late Edo Period, a demon known as the Impure King killed thousands of people. After defeating the demon, the Knights of the True Cross kept its left eye safely sealed away on Academy grounds--but now someone has stolen it! Hearing the thief has taken a child hostage, Yukio and Rin go to help. The investigation and pursuit will lead Rin and his friends to Kyoto and involve them even deeper in a sinister plot! But will his friends' knowledge...

"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!"--Page...

"Rin and his friends continue to investigate the Seven School Mysteries. Yukio watches as the Exwires take on the Academy's ghosts, troubled by lingering doubts about his own feelings. Rin seems to be learning to control his power more, but is tapping his inner demonic fire going to be his salvation or his doom?"--

"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...