The mysterious Eagle Nebula, the cradle of the Pillars of Creation, the home of the magical world. The gods fell, and the pillars of creation also died with them. Without the protection of the gods, the continent was filled with fear, selfishness, and ambition. Years of battles made it the most unstable nebula. The king's brutal conquests and wars for land and resources are particularly cruel in this world. After a long period of disorder, the Magic Association was born. They maintain order and represent the strongest supernatural beings. Since the death of Gabriel, who represents the god of communication, the magic world has maintained contact with the earth through the tree of life. A group of the lowest "non-magic people" called "Gabriel's slaves" have appeared on the earth. The magic association has recycled them to maintain order in the human world and the magic world. Even those who are considered to have the weakest abilities, at the junction of the Moran royal family and the Noel royal family, Wulan Academy welcomes the most powerful slave of Bailie, the shame of Wulan...