No Game, No Life
Résumé
Sora and Shiro, a brother and sister are NEET (Not in Education, Employment, or Training) and hikikomori gamers. They consider the real world as just another "crappy game" until they are summoned by a boy named "God" to an alternate world where war is prohibited and "everything is decided by games". Humanity has been driven back into one remaining city by the other races. Will Sora and Shiro become the Saviors of Humanity on this alternate world?