Rise My Elementals!

All the Humans from Earth were suddenly transported into a new world called Celestial World. No one knew the reason why nor what the purpose was all about. They were suddenly transported without any warnings or signs and were forced to live in a mysterious and unfamiliar new world.For 50 years, Humans lived in endless suffering and torment. They were all forced to run from one place to another or else they would be enslaved by other Foreign races that had long been living in the Celestial World.Fortunately, the Human race was finally able to slowly develop its strength and power in the Celestial World through the sacrifice of countless Humans after 50 years. However, it was mysteriously Fated not to last long as an unknown power suddenly started doing everything to destroy Humanity's Kingdoms and Empires.A young man by the name of Leo Heart had his Fate suddenly rewritten by some unknown power to stop this unprecedented doom of the Humans after a Red Cube, that the Heart Noble Household had been keeping as a Family Heirloom from the very start of the Human Race existence in the Celestial World, suddenly jumped up and embedded itself into his right palm.A world full of Mystery in which Magic and Mana had become every race's foundation of existence. A young man who had lost his family for the Human Race's existence has his Fate unexpectedly rewritten after such an encounter.But, would it be enough to stop this so-called unprecedented doom?Would the Human Race's existence be saved by Leo from the unknown yet powerful existence?Or would the Humans sadly become nothing but a mere history in this new world?Note: The art of the book cover is not mine. All the credits go to its rightful owner...