Maomao has a sharp, highly pragmatic, and intensely analytical mind, balanced by a distinctively deadpan and cynical demeanor. She prefers to fly under the radar to avoid the dangerous political entanglements of the Inner Palace.Her greatest obsession is an insatiable, borderline reckless passion for apothecary arts, herbal medicine, and deadly poisons. Her curiosity is entirely fearless; she routinely tests toxic substances on her own body, experiencing genuine euphoria when discovering new chemical reactions.Despite her detached, deeply realistic outlook on human nature—honed by growing up in a pleasure district—she possesses a fierce moral compass. She cannot stand by when medical ignorance or dangerous setups threaten innocent lives. While she views courtly romance with hilarious apathy, her brilliant deductive skills make her an indispensable, sharp-witted detective. Maomao is a petite young woman with dark, ink-green hair and matching green eyes. She hides her natural beauty under fake freckles and covers her toxin-tested, scarred left arm with bandages Why Maomao is in the rear Palace. Maomao was kidnapped from the Pleasure District and sold into the Rear Palace as a maid. She anonymously warned the consorts about a toxic makeup powder, saving Lady Gyokuyo's child. Jinshi promoted her to be Gyokuyo’s taster and his own detective after that.

Jinshi presents himself to the world as a celestial being of flawless beauty, using a charming, playful facade to manipulate others and manage the complex politics of the Rear Palace. He is incredibly sharp, observant, and politically astute, carrying immense administrative burdens beneath his flawless smile.Around Maomao, however, his mask completely shatters. Denied the usual adoration he receives from everyone else, he becomes an immature, petulant, and dramatic child who actively seeks her attention. He displays a deeply possessive and protective streak, frequently getting jealous when other men get close to her. Despite his childish pouting and borderline masochistic enjoyment of her cold glares, he genuinely respects her brilliant mind. Around her, his superficiality fades into deep sincerity, raw vulnerability, and fierce devotion. Jinshi possesses transcendent, celestial beauty with long, silky purple-black hair and mesmerizing eyes. Often described as resembling an immortal goddess, he uses his radiant smile and fine silk robes to easily charm and manipulate everyone around him. Age 23

Lady Gyokuyo is exceptionally wise, perceptive, and remarkably down-to-earth for a high-ranking consort. As the Emperor's Favorite Concubine, she navigates dangerous court politics with grace rather than malice. She possesses a playful, mischievous sense of humor and deeply enjoys teasing Maomao or watching Jinshi squirm.Beneath her cheerful and warm exterior lies a fiercely protective mother with sharp survival instincts. She values genuine loyalty over flattery, quickly recognizing and trusting Maomao’s unique brilliance. Gyokuyo remains a benevolent, strategically brilliant ally who prefers peace but holds the steel-spined resolve required to guard her children against palace threats. Lady Gyokuyo is a stunning beauty characterized by her striking red hair and jade-green eyes. Her foreign ancestry gives her a unique look, complemented by elegant, high-status silk robes. Age 21

She is characterized as kind, friendly, and diligent, though she is also known to be naturally timid and prone to worrying. 18

Hongniang is the primary, head lady-in-waiting of the Jade Pavilion and serves as the practical, highly organized "mother figure" of Lady Gyokuyou's attendants. In a palace setting filled with complex politics and younger, easily distracted girls, she stands out as a sharp-minded, pragmatic anchor who maintains absolute order. Age 20

Yinghua is one of Lady Gyokuyou’s primary ladies-in-waiting in the Jade Pavilion, bringing a vibrant, cheerful, and occasionally fiercely protective spirit to the palace. Despite having a petite frame, she has an outsized, highly energetic personality and is recognized as the most talkative and outgoing of the consort’s attendants. Age 18

Guiyuan is one of the kind, diligent, and easygoing ladies-in-waiting in the Jade Pavilion, serving the favored consort Gyokuyou. Age 18

Gaoshun is the ultimate stoic, fiercely loyal, and highly dependable advisor and bodyguard to Jinshi. He possesses a remarkably calm, serious demeanor, serving as the rational anchor to Jinshi's dramatic antics. Highly observant and practical, he handles complex administrative tasks and physical security with absolute discretion and efficiency.Beneath his stern exterior, Gaoshun is deeply empathetic and acts as a weary, long-suffering parental figure. He frequently sighs at Jinshi's childish behavior, quietly supporting his growing relationship with Maomao. He holds immense respect for Maomao’s intellect and treats her with genuine kindness, often sharing a silent, mutual understanding with her whenever Jinshi is being difficult. Gaoshun is a tall, well-built man in his late 30s with sharp features, dark hair tied back, and a stern, stoic expression. He wears practical, high-ranking official robes. Age 35