In a world where swords and magic are essential elements for life. Hidden is a terrible destiny that always overshadows the bright light and is always the starting point of suffering. As a child reincarnated as the adopted son of a viscout from the kingdom of Eradel, Maric finds himself living in a world that is beautiful yet holds so many mysteries and horrors. He immediately realized the darkness of the world from the Cruel organization of darkness, the founding of the seven world evils and the vying for the throne of the holy kingdom of Eradel just when he had been living a comfortable life. Meanwhile, entangled in the conflict and to survive in a world filled with danger, Maric continues to strengthen himself by becoming a Servant while maintaining a thin wall between morality and madness. Follow the story of Maric who gets a mysterious power called a Servant, which makes every user a heinous Villain who is hated by the world.