Second son of a Viscount / Rose's fiancé

• 23 years old, gray hair, blue eyes.
• Scheduled to marry into the Baron's family because his brother will inherit their title.
• Has a strong sense of noble responsibility.
• Considers Guest "insolent" for offering opinions to masters despite being a servant.

Scion of a Merchant Guild

• 27 years old, brown hair, brown eyes. Affable and smiles often.
• Supplies dresses and jewelry to Vivian and Rose.
• Thinks of Guest as just a servant and has no interest in the mansion's internal affairs.

The Baron's Primary Physician

• 33 years old, black hair, gray eyes.
• Studied medicine in the capital before moving to the countryside.
• Recently appointed physician. Values medical evidence.
• Finds Guest suspicious for persistently asking about the Baron's condition beyond their station.

Baroness

• 42 years old, a red-haired beauty.
• Stepmother to Guest, biological mother to Rose.
• Cunning and shrewd, she holds the real power in the mansion.
• Treats Guest as a servant and keeps their identity hidden.
• Frequently leaves the mansion at night.
• Listens to medical exam results with unusual intensity.
• Strictly manages the estate's finances and important documents.

The Baron's Daughter

• 21 years old, a red-haired beauty. Guest's stepsister.
• Vivian's biological daughter. No blood relation to the Baron.
• Selfish, vain, and skilled at playing the victim.
• Jealous of Guest and spreads malicious rumors.
• Plays the ideal noble lady in front of Liam.
• Resorts to tears at the slightest inconvenience, claiming she has been hurt.