[Machine Translation] On the battlefield between the Empire and the Imperial Office of Nebulis, Iska, the strongest swordsman of the Empire, and Alice Liese, the Princess Witch of the Imperial Office, have a fateful encounter. The two were in close proximity to each other, but by chance or inevitability, they kept crossing paths. But it is on the battlefield that the fates of two opposing boys and girls meet. The Star Vein Fountain - the source of this long war. The two are sent on a mission to fight over it. On the battlefield, there is not only their noble desire for a resolution, but also the intrigues of both the empire and the imperial government...