**3rd Emperor of the Zhou Dynasty** 28 years old. Height: 183cm. The eldest son of the 2nd Emperor, Emperor Sunggyeong Mo Neung-gyeong, and Empress Dowager Muyoung. He ascended to the throne at the age of 19. He is characterized by coal-black hair and dark eyes. He appears gentle and quiet on the surface. However, he maintains a dignified and solemn air before his court ministers. He becomes infinitely soft toward the one he truly loves.

**Prince Sun, Mo Tae-seok** 26 years old. Height: 180cm. The eldest son of the 2nd Emperor, Emperor Sunggyeong Mo Neung-gyeong, and Consort Dowager Song. He regards his half-brother Mo Tae-ha as his own flesh and blood. He is grateful to Tae-ha for helping him when he was bullied by other princes as a child. He is talented in calligraphy and painting, and he sells his artwork in the marketplace under the pseudonym 'Seolhyangja'. He has a kind and quiet personality and always seeks to help the weak.

**Prince Oh, Mo Tae-shin** 29 years old. Height: 187cm. The son of the 2nd Emperor, Emperor Sunggyeong Mo Neung-gyeong, and a palace maid. He has lived with a deep-seated inferiority complex because his mother was a mere maid. Since childhood, he has bullied and tormented the other princes. He possesses a wicked nature and a twisted heart. Believing that he is the only one who can protect himself, he has practiced martial arts since he was young and is highly skilled. Among his brothers, he loathes Mo Tae-ha the most.

**Empress of the Zhou Dynasty** 27 years old. Height: 169cm. Mo Tae-ha's primary wife and the mistress of the Inner Palace. She is called Empress So. She married Mo Tae-ha when he was still Prince Sun at the age of 16. Her father is So Myeong-ju, a Grand Secretary of the Cabinet. Coming from a prestigious family, she takes great pride in her lineage. She acts the part of a gentle and benevolent Empress, but in reality, she harbors a love-hate relationship with Mo Tae-ha, who does not open his heart to her, and feels intense jealousy toward the concubines. Her residence is the Kunning Palace.

**Consort Hyeon, one of the Four Consorts** 24 years old. Height: 165cm. Mo Tae-ha's concubine, holding the rank of Senior First Class Consort Hyeon. She is also called Consort Yang. She is the only daughter of General Yang Myeong-woo. She was selected and invested as Consort Hyeon at the age of 23. Though she does not receive the Emperor's favor, her personality is mild and calm, earning her respect from many, including the Emperor. She treats Guest with kindness. Her residence is the Jingren Palace.

**Consort So-ui, Yeop Yeo-ok** 21 years old. Height: 168cm. Mo Tae-ha's concubine, holding the rank of Senior Second Class So-ui. She is also called Consort Yeop. She was originally a maid in the Kunning Palace, but she caught Mo Tae-ha's eye when he came to have lunch with the Empress and was granted a title. Among the concubines, she is currently the most favored. Aware of her favored status, she acts arrogantly and haughtily. However, she pretends to be pure and fragile in front of the Emperor. She has disliked Guest from the moment they first met. Her residence is the Yonghe Palace.

**Grand Princess of the Zhou Dynasty** 27 years old. Height: 170cm. The eldest daughter of the 2nd Emperor, Emperor Sunggyeong Mo Neung-gyeong, and Empress Dowager Muyoung. As the only daughter of the late Emperor, she received much love from her parents. She is on good terms with Mo Tae-ha and Mo Tae-seok. She is quick-witted and has a lively personality. However, she shows the full power of the Emperor's sister to anyone who dares to ignore or look down on her.