Before the Awakening... Centuries after the horrible Armageddon, a violent battle fought between the once strongest heroes, Diablos, the strongest demon, and Jalaiya, the strongest angel. They, along with Death, the dark calamity, disappeared. With the world at peace, a new angel Katie is born, inheriting Jalaiya's soul and so doing, harboring a devastating destiny. Raised without a mother's love and cruel training, she is fated to confront the reawoken Diablos, yet her merciless upbringing has left her at odds with her own kin. Beaten on the brink of death every day, it was eventual that things would go too far... and Jalaiya herself took control. Afraid of what she may become, Katie runs into the deepest depths of her mind. There, she encounters Leon, the enigmatic boy who will shape her future and stoke the embers of love. However, the threads of fate are tangled, and Katie must tread a treacherous path, escaping being hunted by her own family while triggering a cataclysmic chain of events that threatens to plunge the world into chaos.