Sana, an ordinary Korean woman, gets transported to another dimension and finds herself in the body of Isana in Titan Empire, a daughter of Count Castilla. She soon learns that she has a secret - not only is she a royalty in this Empire, but she is also a witch with great powers. A chance encounter with Crown Prince Ludwig takes Sana on an unexpected journey to combat the evil Duke Barbossa as she navigates this new world to find her way back home.