Lys is the Princess who lost everything she loved since she was but 9. Her father hated her for some reason she didn't know, her mother died on her birthday, she was sold off to marry the Prince from a neighboring kingdom, Viehart. But strangely enough, she didn't care, her heart is cold and empty. Klaus is the younger brother of the Prince, and he has never known love-only the duties toward his Royal Viehan blood, his loyalty toward his older brother, and his work as a Mage. What happens when Klaus finds that his heart dislikes the fact that she is to be married to his brother and she in turn starts to be able to cry again -each time he looks at her? And is she really who she thinks she is? The blood princess of Regalia?