Rise My Elementals!

Earth's disappearance plunged humanity into the magical, mysterious Celestial World, a place of no answers and no escape. For fifty relentless years, survivors struggled, fleeing hostile alien races and fighting for existence. Through immense sacrifice, they eventually built new kingdoms and empires in this foreign land, forging a hard-won strength. However, this fragile peace was abruptly shattered. A malevolent, unseen force emerged, determined to annihilate them. Their developing civilizations collapsed, and their hope diminished as this unknown power systematically destroyed their achievements. Humanity's very survival was imperiled, on the brink of becoming a forgotten memory. Then, fate intervened. A young man named Leo Heart, weighed down by personal loss...