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

Just as the end of Sora and Shiro's dice game against the Old Deusapproaches, they are faced with completing Jibril's task--a strategic simulationgame 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 oneobjective: ensure that in this version of the Great War, no one dies.