The queen who holds the universe in balance is weakening, and without a successor, the cosmos itself faces collapse. Angelique Limoges is an ordinary girl who catches a glimpse of a rider on horseback moving through the sky—a vision no one around her can see. She alone has been chosen as a candidate for the throne. Arriving at the Holy Land where the queen resides, she meets her rival: Rosalia-De-Catargena.