In a world where magic is thought to have disappeared, Fiona inherited the only magic power left. A year ago, she became reclusive after she was betrayed by a friend and her engagement was broken off. By chance, she decided to hide her magic and work in the royal place, but the Crown Prince seems to be interested in her?! A story about the research, work, and love of a young lady who doesn’t want her hidden power to be known, and His Highness the Crown Prince, who is fascinated by her.