Welcome to Astraea, a planet of mages, where peace among nations rests on the teachings of Goddess Omnyra, the 'Great Creator' of the realm. Omnyra alone wields the ultimate elemental force—ether. A long-standing prophecy foretells her return, stirring unease. Meanwhile, Arani, a 20-year-old aqua mage, earns a place at NOVA, the most prestigious mage academy. But what she uncovers about magic, her blood, and the world’s deceptive balance could unravel everything—if she dares to challenge it.