Kat?, Kazue

"After dealing with the demons of Shura's past, Shura, Rin and Yukio return to True Cross Academy. While Yukio recovers from his wounds, Rin and his friends get back to their lives. But trouble is brewing as The Illuminati continue to advance their plans. Lightning launches an investigation of The Illuminati, intending to get to the bottom of things. With Suguro in tow, he heads for True Cross Academy's restricted archives, looking for leads that will help him solve the mystery of the events surrounding the "Blue Night." Back on campus, an old adversary makes an unwelcome return..."--Back cover.

"Shura Kirigakure has always been one of Rin and Yukio's closest and most trusted friends and mentors, but her past is a mystery. When Shura suddenly goes missing, Mephisto sends the Okumura brothers to the cold and wintry backcountry of Aomori Prefecture to find her. The journey is a chance for Rin and Yukio to talk over recent events, and try to sort out where things stand between them. Out in the frozen hills, Shura reaches her destination, and a meeting with an entity who will impose an ancient curse upon her..."--Back cover.

"Trapped by Professor Gedoin in the hellish prison beneath Dream Town Inari, the Exwires must fight to survive and rescue Izumo. The more they learn about Professor Gedoin's plans, the more they realize the horror they face. Each will need to rely on their own strength, and each other, like never before. But Izumo is determined to meet her fate on her own and save her sister, even if it means her destruction! What will Rin and his friends lose in order to win?"--Back cover.

Rin and the rest of the Exwires race to find Izumo as she confronts Nemu Takara. The betrayal they discover and the tragic details of Izumo's past will herald the beginning of an all-out war between the Illuminati and the Knights of the True Cross.

When other students go home for the summer, Rin and his classmates go to a training camp where they must locate and recover objectives, but the tasks will require trust and teamwork, something Rin is short on, especially when he suspects Mephisto is up to something.

Rin must confront the Impure King alone with the Koma sword.

With both eyes of the Impure King in their possession, Mamushi and Todo head for the temple that was once the center of the Myodha sect, but Mamushi remains unaware that Todo plans to resurrect the Impure King. As he prepares to face the Impure King, Rin learns more about Father Fujimoto's connection to Tatsuma and the origins of the Koma Sword.