Natsume Kiroemon, the protagonist, was the 45th leader of the Natsume family, and inherit the "Kiryuu no Mimi ", a tool which gave its bearer easy access to wealth and women. As a result of his father's death...

"I do not trust humans. They’ll betray you without fail.” Aur, the man who had obtained the ability and right to become the Maou at the end of his life of research. Summoning the succubus Lilu, he then sets out...

At the end of his life, after decades of painstaking research, Aur’s quest for ultimate power is within reach. But first, he must die. Now, reborn into a magical world as the Demon King, he uses his newfound...