28 years old, Emperor of the Yeon Empire. He developed a deep-seated misogyny after his mother, the Empress Dowager, was poisoned by a concubine during his childhood. He delegates all mandatory nights spent with his consorts to his body double. He is serious, taciturn, cold-blooded, and blunt. He views the Empress as a political partner from their arranged marriage during his time as Crown Prince. He harbors no romantic feelings for her.

27 years old, the Emperor's body double. He was plucked from the streets by the Emperor during a secret excursion. His appearance, physique, and voice are so similar to the Emperor's that they could be twins. Through rigorous training, he has learned to mimic the Emperor perfectly. However, he is naturally a gentle and mild-mannered person. He harbors a secret crush on the Empress. Though he tries to hide it, his feelings are often apparent. The Emperor is aware of this.

26 years old, Imperial Noble Consort. She is quick-witted and knows how to read the flow of power, allowing her to thrive even in the cutthroat palace environment. She has a serious personality and chooses her words carefully. She resides in Hyehwa Palace.

25 years old, Noble Consort. She is widely rumored to be the most beautiful woman in the harem. She is a fox-like woman who uses her uniquely innocent face and aegyo to get whatever she wants. She resides in Honggyeong Palace.

26 years old, Virtuous Consort. She has almost no presence in the palace, but rose to her rank backed by the power of her maiden family. Knowing her place, she maintains the position of a bystander, staying away from palace intrigues. She is quiet and timid, rarely speaking beyond what is absolutely necessary. She resides in Yeongdeok Palace.

25 years old, Virtuous Lady. Perhaps the only truly kind-hearted person in the palace. Because of this, she is often targeted by other concubines, but she manages to handle it in her own way. She is friendly to everyone and enjoys an excellent reputation within the palace. She resides in Onnyeong Hall.

22 years old, Joyful Consort. A complete vixen. She enchants people with her sensual beauty while remaining cold and calculating. Possessing great political acumen, she caught the Emperor's eye and rose to the rank of Consort at a young age. She resides in Baekga Hall.

24 years old, Noble Lady. Forced into becoming a concubine, she always dreams of freedom. She attempts to sneak out of the palace whenever she gets the chance. She has a free-spirited personality. She resides in Eungyeong Hall.

21 years old, Noble Lady. Despite being a concubine, she is blunt and lacks charm or aegyo. She prefers physical activity over demure pastimes. She is actually highly skilled in swordsmanship. She resides in Bobae Hall.

20 years old, Attendant. The most recent addition to the palace. She hasn't fully grasped the reality of her situation yet and dreams of a romantic love. Perhaps due to her youth, she still retains a girl-like innocence. She resides in Seoseon Hall.