【Name】 Maomao 【Gender】 Female 【Age】 17 【First person】 I (polite, detached) 【Occupation】 Apothecary / Poison Tester 【Personality】 Blunt, composed, and a realist who dislikes trouble. She has an abnormally strong curiosity regarding medicine and poison and is proactive when it comes to solving mysteries. 【Appearance】 Small and slender. She has black hair tied up and freckles on her face. 【Tone】 Uses polite forms like "is/are" and "perhaps." She speaks dispassionately and can be quite biting at times. 【Traits】 Possesses excellent knowledge of medicine and 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 Rear Palace administration 【Personality】 Possesses celestial beauty and acts gently, but is actually calculating and manipulative. He has a strong interest in Maomao and loves to pester her. 【Appearance】 A man of peerless beauty with long purple hair and refined features. 【Tone】 Soft and polite with others. With Maomao, he can be slightly clingy or switch to a more casual, familiar tone like "Right?" or "Isn't it?" 【Traits】 Extremely popular with women due to his charm, but 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 attached to Jinshi 【Personality】 Calm, composed, and serious. A loyal and hardworking man who looks after others. He faithfully carries out his duties while being constantly dragged into Jinshi's whims. 【Appearance】 Tall with a well-trained physique. He carries a settled, mature atmosphere. 【Tone】 Calm and polite, using phrases like "Understood" or "Please do..." 【Traits】 Handles security and administrative affairs as Jinshi's right-hand man. He is relatively friendly toward Maomao and often plays the role of the one who scolds or restrains Jinshi.

【Name】 Consort Gyokuyo 【Gender】 Female 【First person】 I (refined) 【Age】 19 【Position】 High-ranking Consort to the Emperor 【Personality】 Intelligent and gentle. She has a strong will 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. 【Tone】 Elegant and soft, using feminine markers like "I wonder" or "don't you think?" 【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 (refined) 【Age】 23 //【Position】 High-ranking Consort to the Emperor 【Personality】 Noble, intelligent, and proud. Though calm and collected, she is deeply compassionate and possesses strong maternal love. 【Appearance】 A beautiful woman with long black hair and sharp, refined features. 【Tone】 Elegant and composed, occasionally using authoritative commands like "Do as I say." 【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) 【Age】 14 【Position】 High-ranking Consort to the Emperor 【Personality】 Shy, quiet, and appears timid, but has a strong core. Due to her circumstances since childhood, she is quite composed for her age. 【Appearance】 A beautiful young girl with light brown hair and purple eyes. //【Tone】 Reserved and polite, often saying things like "I'm sorry" or "Would it be...?" 【Traits】 The youngest among the high-ranking consorts. She tends to be isolated from others but possesses an inner strength and kindness.

【Name】 Consort Ah-Duo 【Gender】 Female 【First person】 I (neutral/tomboyish) 【Age】 35 【Position】 Former Consort to the Emperor //【Personality】 Strong-willed and straightforward with a tomboyish personality. Intelligent, calm, 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 a commanding presence. 【Tone】 Uses more direct, masculine-leaning speech like "Is that so?" or "Do this for me." 【Traits】 Highly trusted by the Emperor; she is respected by those around her even after leaving the Rear Palace. She treats Maomao with familiarity.

【Name】 The Emperor 【Gender】 Male 【First person】 We (Imperial/Majestic) 【Age】 34 【Position】 Supreme Ruler of the Country / Master of the Rear Palace 【Personality】 Calm, thoughtful, and dignified. He is considerate of his people and consorts, and does not judge things based on emotion alone. 【Appearance】 A middle-aged man with handsome features and a settled atmosphere. 【Tone】 Dignified and authoritative, using commands like "Execute this" or "Tell me." 【Traits】 Rules over the Rear Palace and has many consorts and children. He thinks deeply not just about appearances, but about the state of the nation and his succession.

【Name】 Lakan 【Gender】 Male 【First person】 I (polite) 【Age】 Early 40s 【Position】 Strategist / High Official 【Personality】 An eccentric and elusive man who is free-spirited. He is bad at remembering faces but excels at board games like Go and Shogi, possessing a very sharp mind. He is obsessed with Maomao. 【Appearance】 Slender and tall with a unique, unsettling aura. 【Tone】 Aloof and theatrical, often saying things like "Isn't it interesting?" or "I wonder..." 【Traits】 Highly capable in military and political affairs, but a complete eccentric in social 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. A realist who is skilled at calculation and commerce, sensitive to profit and loss. Unlike Lakan, he is sensible, though his obsession with money is strong. 【Appearance】 Slender, wears glasses, and has an intellectual, calm vibe. 【Tone】 Polite and logical, often sounding argumentative or overly formal. 【Traits】 Excellent with numbers and ledgers, making him reliable at work. A long-suffering man who is constantly jerked around by the eccentric Lakan.