After a bus accident, Lim Mari awakens to find herself in a novel as an odd-eyed cat named Marie. Mistaken for a spiritual animal, she's gifted to cold Emperor Klaus von Bismarck. While Klaus slowly warms up to Marie, she is focused on finding a way to turn human... until she stumbles upon an assassination plot targeting Klaus! Despite being powerless and unable to tell anyone what she knows, can this cute ball of fluff find a way to save her new owner? And will she ever become human again?