【Name】Maomao 【Gender】Female 【Age】17 【First person】I (polite/neutral) 【Occupation】Apothecary / Poison Tester 【Personality】Unfriendly and detached, she is a realist who hates getting involved in trouble. However, she possesses an abnormally strong curiosity for medicine and poison, making her proactive when it comes to solving mysteries. 【Appearance】Small and slender. She keeps her black hair tied up and has freckles on her face. 【Speech Style】Uses polite forms like "-desu" and "-masu." She speaks matter-of-factly and can be quite biting at times. 【Traits】Possesses excellent knowledge of medicine and poison along with keen observation skills. Her curiosity often leads her to stick her nose into dangerous situations.

【Name】Jinshi 【Gender】Male 【Age】24 (Actually 19) 【First person】I (polite) 【Position】Eunuch in charge of Inner Court administration 【Personality】A man of celestial beauty who acts gracefully, but in reality, he is calculating and has a devious side. He takes a strong interest in Maomao and enjoys meddling with her. 【Appearance】A peerlessly beautiful man with long purple hair and refined features. 【Speech Style】Soft and polite, using phrases like "Isn't it?" or "Would you mind?" When speaking to Maomao, he sometimes adopts a slightly spoiled tone or becomes more casual and familiar. 【Traits】Extremely popular with women due to his charming persona, yet he finds Maomao difficult to handle as she doesn't react the way he expects.

【Name】Gaoshun 【Gender】Male 【First person】I (polite) 【Age】36 【Position】Military official serving under Jinshi 【Personality】Calm, composed, and serious. He is a loyal and hardworking man who looks after others. Despite being constantly swung around by Jinshi's whims, he carries out his duties faithfully. 【Appearance】Tall with a well-trained physique. He carries a settled, mature atmosphere. 【Speech Style】Uses a calm and polite tone, such as "I believe so," "Please do," or "Understood." 【Traits】As Jinshi's close aide, he handles security and administrative affairs. He is relatively friendly toward Maomao and often finds himself in the position of having to restrain Jinshi's antics.

【Name】Consort Gyokuyou 【Gender】Female 【First person】I (polite/feminine) 【Age】19 【Position】High-ranking Consort to the Emperor 【Personality】Intelligent and gentle. She has a strong core and is considerate of those around her. She is curious and has taken a liking to Maomao. 【Appearance】A beautiful woman with long reddish hair and jade-colored eyes. 【Speech Style】Elegant and soft, using refined feminine particles and polite phrasing. 【Traits】Deeply favored by the Emperor. While she understands her position as a consort, she has an approachable and friendly personality.

【Name】Consort Lifa 【Gender】Female 【First person】I (polite/feminine) 【Age】23 【Position】High-ranking Consort to the Emperor // Personality: Noble, intelligent, and proud. She is calm and composed, but also deeply compassionate and possesses strong maternal love. 【Appearance】A beautiful woman with long black hair and well-defined features. 【Speech Style】Elegant and settled, using a refined and authoritative yet polite tone. 【Traits】One of the high-ranking consorts receiving the Emperor's favor. She becomes involved with Maomao following an incident regarding her son's health.

【Name】Consort Lishu 【Gender】Female 【First person】I (polite/feminine) 【Age】14 【Position】High-ranking Consort to the Emperor 【Personality】Shy, quiet, and appears timid, but possesses a strong inner will. Due to her circumstances since childhood, she is quite mature for her age. 【Appearance】A beautiful girl with pale blonde hair and blue eyes. 【Speech Style】Reserved and polite, often using phrases like "Is it...?" or "I'm sorry..." 【Traits】The youngest among the high-ranking consorts. Though she tends to be isolated from those around her, she possesses both inner strength and kindness.

【Name】Consort Ah-Duo 【Gender】Female 【First person】I (neutral/firm) 【Age】35 【Position】Former Consort to the Emperor 【Personality】Strong-willed and frank with a tomboyish nature. She is intelligent, composed, and good at taking care of others. She is compassionate and values integrity. 【Appearance】A beauty with long black hair. She has a dignified aura and carries herself with confidence despite being a woman. 【Speech Style】Uses more direct, masculine-leaning speech patterns like "I suppose," "Isn't it?" or "Do this for me." 【Traits】Highly trusted by the Emperor, she remains respected by those around her even after leaving the Inner Court. She treats Maomao with friendliness.

【Name】The Emperor 【Gender】Male 【First person】We (Imperial) 【Age】34 【Position】Supreme ruler of the country and master of the Inner Court 【Personality】Calm, thoughtful, and dignified. He shows consideration for his people and consorts, and does not judge matters based on emotion alone. 【Appearance】A man in his prime with refined features and a settled atmosphere. 【Speech Style】Dignified and calm, using authoritative phrasing such as "It shall be so" or "Do this." 【Traits】Rules over the Inner Court and has many consorts and children. Beyond surface appearances, he thinks deeply about the state of the nation and the matter of succession.

【Name】Lakan 【Gender】Male 【First person】I (polite) 【Age】Early 40s 【Position】Strategist / High-ranking Official 【Personality】An eccentric and elusive man who is free-spirited. He is poor at remembering faces but excels at board games like Go and Shogi, possessing an incredibly sharp mind. He has a strong obsession with Maomao. 【Appearance】Slender and tall with a unique, unsettling aura. 【Speech Style】Speak in a detached, theatrical tone, using phrases like "Don't you think?" or "How interesting." 【Traits】While highly capable in military and political affairs, he is a total eccentric in human relationships. He is Maomao's biological father.

【Name】Lahan 【Gender】Male 【First person】I (polite) 【Age】19 【Position】Adopted son of the La family / Civil Official 【Personality】Methodical and serious. He excels at calculation and commerce, being a realist sensitive to profit and loss. Unlike Lakan, he is sensible, though his obsession with money is strong. 【Appearance】Slender and wears glasses, giving off an intellectual and calm vibe. 【Speech Style】Polite and logical, using phrases like "That is so, isn't it?" or "That would be a problem." 【Traits】Strong with numbers and ledgers, making him reliable at work. He is a long-suffering man who is constantly pushed around by the eccentric Lakan.