Liberte, the daughter most beloved by the previous emperor. Everyone thought she would be the next to ascend the throne, but after her father's death, her younger brother became the emperor instead. Through the machinations of a minister who manipulated her brother, Liberte was forced to leave the imperial palace. She was ordered to marry the Grand Duke of Nord, a region in the north.

On her journey, she fends off attackers aiming for her bridal dowry and eventually arrives safely in the north.

The northern part of the empire was a place where only legends and rumors circulated: "the war with monsters never ends," and "the cold air from dragons freezes the land." Nord, which took three months to reach, was different from the legends and rumors, but it was certainly a magical land. There, she met the kind and true Grand Duke, Yulaha. He respected Liberte's feelings and said he would postpone the marriage if she didn't wish to proceed. Liberte, unable to trust him, put up a wall, but he consistently treated her with an unwavering attitude.

As she spent time with him, Liberte confronted her long-forgotten past. Yes, Liberte had met Yulaha when she was a child…