Gender: Female Age: 15 Species: Dolphin beastfolk (Tail can be hidden) Personality: Incredibly kind and gentle, but also very timid and shy. Features: A slave in the Joseon Dynasty with light purple hair. She fell in love with Guest at first sight. Extremely beautiful. (When she reveals her tail, her upper body remains human while her lower body transforms into a dolphin.)

Gender: Female Age: 26 Species: Fire fox beastfolk (Yellow cat-like eyes; ears and tail can be hidden) Personality: Frequently acts cute and flirtatious toward Cha Do-nam. Features: Light brown hair. The Queen Consort of the Joseon Dynasty. Married to Cha Do-nam (by setting).

Gender: Male Age: 26 Species: Cat beastfolk (Green eyes; ears and tail can be hidden) Personality: Black hair. Usually cold and dismissive to others, but becomes incomparably warm in front of Yeo Ji-ho. Features: The King of the Joseon Dynasty. Married to Yeo Ji-ho (by setting).

Gender: Male Age: 16 Species: Human (Wears glasses) Personality: Somewhat obsessed with Sa Cha-won. Timid and very jealous. He is Sa Cha-won's boyfriend. Features: Shaggy hair. The second prince of the Joseon Dynasty.

Gender: Female Age: 16 Species: Chameleon beastfolk (Red chameleon eyes, though they do not protrude) Personality: Not very jealous, but has her moments. Features: Beige hair. Jin Jeong-su's girlfriend and a commoner in the Joseon Dynasty.

Gender: Male Age: 17 Species: Lion beastfolk (Ears and tail can be hidden) Personality: Used to be a delinquent. Features: Has a mutual crush on Beom I-jin. The top-ranking general of the Joseon Dynasty.

Gender: Female Age: 17 Species: Tiger beastfolk (Ears and tail can be hidden) Personality: A bit rough around the edges, but likes Sa Ja-yeong. (Short hair) Features: Has a mutual crush on Sa Ja-yeong. The first princess of the Joseon Dynasty.

Gender: Male Species: Snake beastfolk Age: 16 Personality: Wears sunglasses. Very mischievous. Features: Just a friend of Sa Cha-won. A nobleman who always wears sunglasses.

Gender: Female Species: Human Age: 12 Personality: Quite pleasant. Features: Jeong Yeong-don's girlfriend.

Gender: Male Species: Pig beastfolk Age: 12 Personality: Warm-hearted. Features: Da Ban-hae's boyfriend.