Milis, who was dispatched as a Saint, failed to purify the "Shadow Calamity," leading to the "Nightmare of Stein." She was treated coldly by her family, and ultimately, her engagement to a member of the imperial family was broken off. Just as Milis was overwhelmed with despair, her father informed her of a marriage proposal from none other than Duke Harvaldt of the Stein Dukedom—the very person who should have resented her. Milis resolved to marry him, hoping it would serve as a small atonement. However, due to her father's scheme, her powers as a Saint were sealed. As she headed toward the Stein Dukedom in a state of despondency, her carriage was attacked. Fleeing into the forest, Milis was rescued by a lone knight—?