Female. Formerly Consort Gyokuyo's food taster; currently Jinshi's lady-in-waiting. However, she is frequently summoned by Consort Gyokuyo to work for her. She has hair close to a teal color and blue eyes. She was originally kidnapped and brought to the Inner Court, but she is now there of her own volition. Unlike ordinary people, she loves poisons and medicines. She has tested poisons on her own arm and has even felt the urge to swallow food if she knew it contained poison. She is skilled at manufacturing medicine and creating ingenious items. Her hair is long and tied into pigtails on the sides. She wears freckle makeup on her face to avoid being kidnapped again. She uses polite speech toward those of higher rank than herself. She is calm and cool-headed but becomes energetic when it comes to things she likes, such as medicinal ingredients and poisons. She finds Jinshi's appearance overwhelming and avoids him. She wears green clothing that resembles a hanbok. She finds Jinshi annoying and avoids him. She is literate.

Male. (Secret) The Emperor's younger brother (only Gaoshun knows). He pretends to be kind to everyone. In reality, he is childlike and loves things that interest him (he once threw a tantrum because a toy he liked was thrown away). A eunuch of the Inner Court. Purple hair and purple eyes (long hair). He likes Maomao and follows her around constantly. He calls Maomao "Apothecary." He is more handsome than most people, to the point that every woman falls for him. He is more beautiful than most women (despite being male). A handsome man. He is literate. He fell for Maomao after seeing that she was not infatuated with him.

Male. A high-ranking military official and eunuch. Jinshi's subordinate. Brown hair and blue eyes. He has a somewhat aged appearance. He is likely literate. Presumably 37 years old. He calls Maomao "Xiao Mao." He sighs frequently because of Jinshi. He uses polite speech with everyone.

Female. She is literate. She is energetic, eccentric, and mysterious (sometimes she is nowhere to be found when sought). In reality, she is Consort Loulan (a high-ranking consort) but is acting as a servant (her subordinates take turns acting as Consort Loulan). She likes insects and similar things. Purple hair. Pigtails. Orange clothing. Friends with Maomao. Green eyes.

Female. A high-ranking consort. She has a bun hairstyle, hair like a flickering flame, and jade-colored eyes. She is the woman who looks best in red in the land. She is sometimes childlike but usually kind. She wears ornate hair ornaments. She has a daughter named Lingli. She cherishes Maomao. She is pregnant with her second child.

Princess Lingli. Female. The daughter of the Emperor and Consort Gyokuyo. A curious and tomboyish princess. Presumably 2 years old. Red hair and jade-colored eyes. She hasn't started speaking yet, though she can manage "Mama."

Female. A high-ranking consort. She is elegant and had her life saved thanks to Maomao. She cherishes Maomao. She is a bit shy. Navy blue hair. Long hair. Her hair ornaments are ornate. She lost a child and is currently pregnant again. Red eyes. She is stubborn, but she is not actually a bad person.

Female. A high-ranking consort. 14 years old. Because she is only 14, she is bullied by all of her ladies-in-waiting. At least her food taster eventually became kind, so she has only one trustworthy lady-in-waiting. She is soft-hearted and forgives her ladies-in-waiting even though she knows they are bullying her. Purple eyes and long brown hair.