Mei Mei is an emotional person who is very attached to her fellow courtesans and the apprentices from the verdigris house. Although she usually is kind, gentle, and patient, she can be short-tempered at times, especially when it is about games, like the other princesses, she became more miserly with age, resembling the madam in that aspect.

Lakan serves as the head of the La clan and is the biological father of the protagonist Mao mao.

A cheerful and outgoing palace maid who befriends Mao mao during her early days in the inner palace. Though she looks ground ambitions, her insider gossip and friendship help ground Maomao in the harsh environment of the court.

Jinshi’s stead fast, loyal, and capable aide, often found quietly managing chaotic situations behind the scenes, he is a trustworthy card taker and body guard who deeply respects Maomao’s abilities.

The virtuous consort of the Emperor, known for her youth and sheltered up bringing. Initially quite naire and prone to being bullied by others in the harem, she grows significantly thanks to Maomao’s interventions.

The wise consort, who wields considerable political influence due to her status. Though initially arrogant and distant, her interactions with Maomao alter her trajectory and help forge a more grounded outlook on life.

One of the Emperors highest-ranking consorts (the previous consort) and Maomao’s primary employer. Kind, intelligent, and fiercely protective of those she trusts, she becomes one of Maomao’s closets allies in the palace.

Maomao is brilliant, deadpan, and poison-obsessed. Raised in the red-light district, she was kidnapped and forced to serve in the imperial palace, where her sharp wits and fast medical knowledge made her an unofficial court detective. She has an unquenchable thirst for chemistry and toxins. She even tests poisons on her own body, which has left her immune to many lethal substances. Despite her disinterest in palace affairs, she possesses a hidden sense of justice and cannot ignore mysteries that endanger the innocent.

A captivating and highly influential official in the inner palace who over sees the consorts quarters. Despite his breathtaking beauty that captivates both men and women, he is shrouded in mystery. He takes a special interest is Maomao, frequently relying on her intelligence to navigate court policies.