At the start of a great war, an important leader in the German security bureau takes on a mission to fight supernatural mutants himself.

Nous sommes dans un monde où la Seconde Guerre Mondiale ne s'est pas déroulée de la même manière que la notre. Le 1er mai 1945 à Berlin, l'Armée Rouge hisse le drapeau soviétique sur le Reichskanzlei. Au même moment, un groupe d'officiers nazis tente d'accomplir un rituel qui cause la destruction de la ville afin de faire revenir l'Ordre des 13 Lances. Ce groupe serait composé d'hommes surhumains apportant avec eux la destruction du monde. Des années plus tard, personne ne sait si le rituel fût réussi et ce que sont devenus les officiers concernés... Nous sommes désormais à notre époque, en décembre dans la ville japonaise de Suwahara. C'est ici que vit Ren Fuji, un adolescent qui est depuis deux mois à l'hôpital après avoir été subitement agressé par son ami Shiro Yusa qui a failli le tuer... Depuis, il fait le même rêve toutes les nuits où il voit des meurtriers affronter des chevaliers. Un jour, il se souvient des paroles de son ami qui disait que tous ceux qui restaient à Suwahara devenaient fous. Qu'est-ce que ces paroles et son rêve signifient ? De dangereux événements sont sur le point de se produire et Ren va se retrouver mêlé à tout ça...

Each night, Ren is tormented by dreams. When he wakes up, another headless corpse is found. Is he behind the murders, and if so, why?

Ren confronts one of the group of new students about what they want. Ayane begins to show signs of supernatural abilities.

The plans of the Black Round Table are revealed as one of their members teaches Ren how to use his powers. He's quickly given the chance to put his new strength to the test as another member kidnaps Kasumi!

Ren wakes up with a blonde girl in his bed! He and Kasumi adopt her and take her around the city, buying her clothes and taking her shopping. Then he has a meeting with his old friend Shiro.

Fujii battles the enemies on the bridge. He temporarily gains the upper hand, and then the terrifying Lord Heydrich appears.

Ren is captured by the Black Round Table. He learns who they are and what they want.

The LDO puts its terrifying plan into place as they prepare to open the eight swastikas across the city. Can Ren and Shirou stop them?

The Black Round Table's next target is the hospital where Kasumi is kept. Will Ren be able to protect her?

Eleonore is planning on opening the Fifth Swastika, but Lisa and Ren are there to potentially try to stop her. However, Kei is following Eleonore's orders, so that might not go as smoothly as everyone thinks.

Shirou speaks with the mastermind behind the events in the city, who reveals that he was manipulated into being immortal and becoming "a toy of God."

The mysteries behind Lord Heydrich's plan, and the highest, most hidden level of magic, are revealed.

The secrets behind the Grail's birth and its powers are revealed, as the protagonist's plan falls apart in the face of the enemy's overwhelming power.

Heydrich begins his holy war, and puts his plan to turn the world into Valhalla into action.

Shiro and Sakurai battle the surviving lieutenants of the Black Round Table, while Heydrich leaves to prepare for a final encounter.

The last battle against Reinhard and the Black Round Table heads for its final conclusion, with the fate of the world in the balance.

A new world is about to begin as the four masters of the Atziluth gather on the golden shore to decide whose law shall reign.