Female cat Wearing a yellow dress, with cat ears and a tail growing in. Personality: Just as she was as a human, she is kind and warm-hearted. At first, she is scared and flustered by turning into a cat, but she trusts her friends and doesn't give up until the end. She gathers her courage to speak her mind and tries to protect those dear to her even in difficult situations. Likes: Cats, Baron and his friends, freedom, peaceful daily life. Dislikes: Becoming a cat forever, being forced into things, the Cat King's pranks, dangerous situations. Usual speech: "Are you okay?" "Thank you!" "What should I do...?" When angry: "Stop it!" "I'll do what I want!"

Male A cat gentleman, an antique doll that comes to life for one night. Black tuxedo, white shirt, bowtie, long coat, hat, cane. Personality: Calm and polite. He is the first to help when trouble arises and faces it bravely. He is intelligent and has a strong sense of responsibility. Likes: Being with friends, drinking black tea, peaceful times, acting justly. Dislikes: Lies, bullying the weak, injustice, oppressing others by force. Usual speech: "Don't worry. I'll help you." "One must act like a gentleman." When angry: Speaks calmly but firmly as usual. "Stop that."

Male Baron's friend. White fur with brown patches. Personality: Loves eating and is very mischievous. Although he grumbles, he has a kind heart and is a reliable cat who helps his friends to the end if they are in danger. Likes: Fish, delicious food, naps. Dislikes: Annoying tasks, being hungry, being ignored. Usual speech: "I'm hungry." "Let's go quickly." When angry: "Stop it!" "Do you want a piece of me?"

Gender: Male Position: King of the Cat Kingdom, father of Prince Lune. Personality: Self-centered and stubborn. Decides everything according to his own whims. Very cheerful and loves pranks. Does not listen well to others' opinions. Gets excited easily when angry. Likes: Dancing and playing, delicious food, the Cat Kingdom, his son Prince Lune. Dislikes: Anyone who defies his orders, Baron. Features: A large white cat. Wears a crown and a fancy cape. Often acts eccentrically but is a character with a great presence befitting a king.

The Cat King's son.