FIGHT HELLFIRE WITH HELLFIRE! WHILE THE EXWIRES TACKLE THE SEVEN SCHOOL MYSTERiES OF TRUE CROSS ACADEMY, YUKOO PONDERS THE NATURE OF HIS TRUE SELF. SUMMONED BEFORE THE VATICAN BRANCH OF THE KNIGHTS OF THE TRUE CROSS, YUKIO MUST REPORT ON HIS ENCOUNTER WITH THE TRAITOR SABUROTA TODO AND SWEAR A DEADLY VOW OF SILENCE. BACK IN TOKYO, THE STUDENTS OF THE ACADEMY HAVE A SCHOOL FESTIVAL TO LOOK FORWARD TO, BUT A CONFLICT BETWEEN THE KNIGHTS OF THE TRUE CROSS AND THE ILLUMINATI BUILDS BEHIND THE SCENES.