No Game, No Life Vol. 8 ( English version light novel )

Just as the end of Sora and Shiro’s dice game against the Old Deus approaches, they are faced with completing Jibril’s task–a strategic simulation game set in a reproduction of the ancient Great War, before everything changed. As the leaders of the weakest race, the Immanity, the gamer siblings have one objective: ensure that in this version of the Great War, no one dies.