No Game No Life Chapter 2: Eastern Union Arc, Vol. 2 (Manga) - Ryu Naitou

Summoned to a world in which games decide everything by a boy who calls himself a god, ace gamer siblings Sora and Shiro capture Immanity's throne in the blink of an eye and set their sights on a new conquest--The Eastern Union--third most powerful nation in the world. But an encounter with Jibril, the Flügel prompts an unexpected game of materialization shiritori! Against a creature with the power to slay gods, can come out on top?