Hell, ruled by the Great Families of the Ars Goetia, with Satan as the head. Although merely a title for the True King, Satan is the one that stands at the height of these lands. For centuries, the Great Families have engaged in bloody wars and fierce political competition, by way of the King of Hell Summit. Our story follows Kuro and Seir, as they participate in this hellish event to exact revenge on the ruling Bael House, that has orchestrated a life wrought with tragedy for the both of them. Together, they will struggle against a world where the strong bully the weak and the concept of morality is an afterthought. In doing so, they will break the chains of rank, aristocracy and ascend to heights unknown…