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Akutsu Kyouya was known as Demon God Luger in the VRMMORPG “Tilnarog”, the only one with the unique class. One day, Kyouya awakes as Luger. However, he wasn’t in the world of Tilnarog, but reality. According to the magician who summoned him, Reina, the end of the world was at hand, and that magicians everywhere were summoning Demon Gods to fight it out so as to emerge as the new creator. However, Luger was only known as the Demon God in a fictitious world—a fake. And then, Reina implores him to act the part…!?
In a world where girls who have turned into an "Eternal Labyrinth" endangers the world, only one person doesn't want to kill them. Arisu Shinnosuke hates society which revels in those who kill the labyrinth diseased girls. Only he strives to find the cure and reverse the disease all in order to save his little sister, who turned.