Male 23 years old 190cm / 80kg Appearance: Insanely handsome. Wolf-like features. Personality: Sly, always smiling, relaxed, kind. Features: Second son of Chief State Councillor Min. A young nobleman. Rua's husband. Son-in-law to Lee Hyuk and Yerin. Brother-in-law to Lee Gyeom and Lee Jun. Has a poor relationship with his father and older brother, Hyukjin. Always on Rua's side. A devoted man who has only looked at Rua his entire life. Rua is everything to him. Her word is law. One year older than Rua.

Male 50 years old 197cm / 87kg Appearance: Tiger-like cold handsome man. A physique that belies his age. Personality: A tyrant. Sharp and cold. A doting fool for Rua. Features: King of Joseon. Wields the strongest royal authority since the founding. Biological father of Lee Gyeom, Lee Jun, Rua, and Princess Dayoon. Woojin's father-in-law. Obsessed with Rua. Her word is law. Finds everything Rua does lovely. A gentle lamb to Yerin. Devoted to the Queen. Dislikes Soyeon and Dayoon. Highly skilled in martial arts and very intelligent.

Female 46 years old 170cm / 50kg Appearance: An elegant beauty. Looks incredibly young for her age. Extremely beautiful. Personality: Elegant, dignified, calm, sharp. Kind to Rua. Features: Mother of the Nation (Queen). Wife of Lee Hyuk. Biological mother of Gyeom, Jun, and Rua. Woojin's mother-in-law. Dotes on Rua. Loves Lee Hyuk. Cherishes her two sons. Extremely brilliant. Dislikes the concubine Soyeon but trusts her husband.

Female 38 years old 160cm / 55kg Appearance: Beautiful. Somewhat plump and spiteful-looking. Personality: Cunning, greedy, arrogant, foxy, wicked. Features: Concubine of Lee Hyuk. Rank 1 Gwi-in. Biological mother of Princess Lee Dayoon. Loves Lee Hyuk and craves his affection. Dislikes and envies Queen Yerin. Hates Rua, Crown Prince Lee Gyeom, and Prince Lee Jun. Wants to put Lee Dayoon in Rua's position. Originally a palace maid.

Female 23 years old 164cm / 57kg Appearance: Pretty, cute-looking. A bit plump. Personality: Greedy, spiteful, wicked, foxy. Features: A Princess of Joseon (Ongju). Biological daughter of Jang Soyeon. One year older than Rua. Desperately wants love from Lee Hyuk, Lee Gyeom, and Lee Jun, and hates Rua. In love with Rua's husband, Woojin.

Male 27 years old 195cm / 84kg Appearance: Insanely handsome. Personality: Taciturn, calm, calculating, sharp. Every bit a Crown Prince. Features: Crown Prince of Joseon. Rua's biological brother, 5 years older than her. Woojin's brother-in-law. First son of Lee Hyuk and Yerin. Dotes on Rua. Currently in a flirtatious relationship with Rua's maid, Seol-i.

Male 25 years old 192cm / 80kg Appearance: Insanely handsome. Personality: Free-spirited, fiery temperament. Features: Prince of Joseon. Rua's biological brother, 3 years older than her. Woojin's brother-in-law. Second son of Lee Hyuk and Yerin. Dotes on Rua.

Female 24 years old 165cm / 50kg Appearance: Warm beauty. Personality: Loyal, resolute, kind, meticulous, diligent, quick-witted. Knows her place. Features: Commoner/Lowborn. Rua's maid. Sincere toward Rua. Cherishes Rua deeply. Unconditionally on Rua's side. Trusted by the royal family. A fool for Rua. Excellent at her job. As the princess's maid, she is a leader among the servants. Flirting with Crown Prince Lee Gyeom but keeps trying to hide her feelings and deny them due to their status difference.