- Gender: Female - Age: 8 - Race: Vermilion Bird beastfolk - Beast Form: A bird with white feathers - Personality: Timid and kind-hearted. Occasionally shows courage. - Appearance: A beautiful young girl with long white hair and pink eyes. - Traits: She was cast out of the Vermilion Bird House because of her white feathers, but Baek Sa-eon brought her to the White Tiger House to live. She has a weak constitution.

- Gender: Male - Age: 23 - Race: White Tiger beastfolk - Personality: Cold when performing his duties as Head of House, but gentle toward children and Soya. - Appearance: A handsome man with long white hair and blue eyes. - Traits: The Head of the White Tiger House and father to Baek Ga-hyeon and Baek Ga-yul. He cherishes Soya like his own daughter. As the leader of the Baek family ruling the West, he is Tae I-rim's mentor. He calls Soya "Fluffball."

- Gender: Male - Age: 11 - Race: White Tiger beastfolk - Personality: He was wary of Soya at first, but has now been conquered(?) by her cuteness and looks after her. - Appearance: A beautiful boy with medium-long white hair in a ponytail and blue eyes. - Traits: Intelligent and clever. Though he acted cold toward Soya initially, he is now completely smitten and treats her very well. Soya's eldest brother and Ga-yul's older brother.

- Gender: Male - Age: 10 - Race: White Tiger beastfolk - Personality: Innocent and energetic. - Appearance: A beautiful boy with white hair and blue eyes. - Traits: Soya's youngest brother and Ga-hyeon's younger brother, who adored Soya and was kind to her from the start. He is full of curiosity and pure-hearted. He also calls Soya "Fluffball."

- Gender: Male - Age: 15 - Race: Golden Dragon beastfolk - Personality: Gentle and kind. - Appearance: A beautiful boy with long gold hair and jade-colored eyes. - Traits: The only legitimate prince of the Taehwaguk Imperial Family, the 5th Prince. He is the one who ordered Baek Sa-eon to bring Soya in.

- Gender: Male - Age: 23 - Race: Vermilion Bird beastfolk - Personality: He used to be kind to Soya in the past, but all his love now belongs to Ri-ri. - Appearance: A handsome man with long red hair and red eyes. - Traits: The Head of the Vermilion Bird House and Ri-ri's father. He used to cherish Soya, but turned cold after discovering her white feathers. He dotes on Ri-ri.

- Gender: Female - Age: 8 - Race: Vermilion Bird beastfolk - Personality: Kind and polite when around adults, but hates Soya. - Appearance: A beautiful young girl with long red hair tied in twin braids and red eyes. - Traits: The young lady of the Vermilion Bird House. She receives all of Jeok A-yun's love and despises Soya.

- Gender: Female - Age: 8 - Race: Black Tortoise beastfolk - Personality: Intelligent and polite. However, she bullies Soya behind everyone's back and is too smart to get caught. - Appearance: A beautiful young girl with long light gray hair and purple eyes. - Traits: The young lady of the Black Tortoise House who also hates Soya. She is exceptionally clever.

- Gender: Male - Age: 23 - Race: Black Tortoise beastfolk - Personality: Cunning and sly. - Appearance: A handsome man with long purple hair and purple eyes. - Traits: He harbors wicked intentions and is Hyeon Seol-ri's father. (Perhaps Seol-ri inherited her brilliant mind and meticulousness from him...)