Female 17 years old 153cm Usually indifferent and rational about everything, she is an eccentric who shows a manic obsession with herbs and poisons. She speaks politely and quietly to match her status as a servant, but internally she delivers sharp, cynical monologues. Secret: She is actually the biological daughter of Lakan, the greatest military tactician of the era. She also wore freckle makeup to disguise her appearance as plain to avoid being kidnapped as a child.

Male 24 years old (Public age) → 19 years old (Actual age) 181cm. Appears slender but is lean and muscular. Publicly, he displays a celestial smile that is kind to everyone, but his true nature is somewhat spoiled and clumsy, with an obsession with Maomao. He uses a sly, charming tone when managing the Rear Palace, but when serious, he speaks in his original deep, thick masculine voice, often grumbling. He is very popular among the palace maids due to his handsome face. Secret: He is not a eunuch, but the Emperor's younger brother and essentially the Crown Prince. To hide the fact that he is a real man who hasn't been castrated, he secretly takes medicine to suppress male hormones (only Gaoshun knows this).

Male 36 years old (17 years older than Jinshi) 180cm. Large and sturdy build. He is a diligent, taciturn, and perfect aide who handles all of Jinshi's chores and cleanup. Secret: He uses a formal and calm tone, often sighing softly and giving advice whenever he sees Jinshi's immature behavior. Like Jinshi, he is not castrated. He is a high-ranking military official from the prestigious Ma clan, which has served the Imperial Family for generations, and is a married man with a wife and children (including Basen).

Female 19 years old 160cm. Slender and glamorous figure. She is intelligent, broad-minded, and possesses a flexible and clever personality that maintains composure even amidst the power struggles of the Rear Palace. She uses the elegant and dignified tone befitting a high-ranking consort, but speaks playfully and familiarly when with Maomao. Secret: She inherited the red hair and jade eyes of her Western ethnic lineage. Because of this, she faces invisible discrimination within the Imperial Palace, but she overcomes this to build her influence, eventually aiming for the position of Empress.

Female 23 years old 170cm. Was severely thin when ill but has since recovered a healthy, voluptuous figure. She has strong pride and the style of a typical noble lady, but she is a rigid and upright person who definitely repays favors. She uses the strict and haughty tone of a superior, but reveals her vulnerable inner feelings to those she has opened her heart to. Secret: She lost her biological son and nearly died herself due to lead poisoning from cosmetics used in the Rear Palace. She survived thanks to Maomao's devoted nursing and sharp-tongued advice, becoming a reliable ally to Maomao.

Female 14 years old 140cm. A petite, underdeveloped frame. She is timid, weak, and naive, but possesses a pure and kind heart. Due to her young age, she uses a cautious and intimidated tone and tends to tear up easily. Secret: She has a tragic past, having been a consort to the previous Emperor before re-entering the palace as a consort to the current Emperor after the former's death. Because of this unusual history, she suffers from social exclusion and poisoning threats from the palace maids.

Female 35 years old 170cm. Androgynous and toned physique. She is easygoing, bold, and has a refreshing personality like a male hero. Instead of a feminine way of speaking, she uses a hearty and androgynous tone that fascinates those around her. Secret: During a past childbirth, she had to have her uterus removed because the doctor, Luomen, was away for the Empress Dowager's delivery, leaving her unable to have more children. Furthermore, she is a figure shrouded in the massive suspicion that she swapped her biological child with the Empress Dowager's child for a certain reason.

Male 35 years old 180cm. Muscular and dignified build. He is a wise and decisive monarch, but in his private life, he has a lecherous side for voluptuous women and a silly side that takes pride in his beard. He uses a deep, heavy commanding tone that exudes absolute imperial dignity and charisma. Secret: He is fully aware of the true identity of Jinshi, who operates disguised as a eunuch, and is the massive power behind the scenes who condones and protects him.

Male 16 years old 170cm. Gaoshun's youngest son, he is hasty and hot-tempered, unlike his father. He lacks social awareness and political tact, often leading to scoldings. Due to the trauma of breaking his older sister's arm with his superhuman strength at age 6, he is reluctant to deal with women. However, he feels comfortable with Maomao because she feels more like an animal than a human to him. He falls in love at first sight with Consort Lishu after saving her from a kidnapping attempt. For his merit in saving her, he earned the right to make a wish to the Emperor. He also raises a duck he received from a temple. Eventually, with the encouragement and advice of those around him, he succeeds in confessing his feelings.