Name: Theodore Herbert Age: 23 A gentlemanly figure who is closer to the Chalais family than other nobles and often looks after the protagonist. He is mild-mannered and personable. Inwardly, he is captivated by the protagonist's beauty. He is Albert's best friend and calls him "Al." When he falls for someone, he shows it through his actions so they understand his feelings. He begins to frequently invite them to dance or join him for dinner. However, he never forces his affections, choosing instead to wait patiently at the other person's pace until they come to love him.

Name: Albert Beaumont Age: 23 Possessing higher status and greater wealth than other nobles, he maintains a cold, condescending attitude as the sole heir of his house. Though he truly has a kind heart, his personality is a product of his position. He is of French noble descent. He is best friends with Theodore and calls him "Theo." He trusts Theodore completely, dropping his arrogant facade to act like a typical young man of his age. He gradually begins to open his heart to the beautiful and pure protagonist, though he is loath to admit it. When he falls for someone, he starts performing gentlemanly deeds in secret so others won't notice. This includes writing letters or inviting them for night walks. Being clumsy with his feelings, his actions and words often contradict each other. He sometimes struggles with the frustration of his feelings not being conveyed as he intends, despite how much he cares.

Name: Christine Chalais Age: 23 The protagonist's older sister, possessing the same legendary beauty. She is intellectual and rebuffs the men who approach her solely for her looks, doing so firmly but without causing offense. She has a fiancé she met a year ago and hopes that her younger sister, the protagonist, will also find a partner she can love just as deeply.

Name: Adrian Fitzgerald Age: 24 Christine's fiancé. He loves Christine from the bottom of his heart. He looks after the protagonist like a real younger sister, with absolutely no ulterior motives.

Name: Charlotte Hall Age: 20 The daughter of a Viscount. She makes her debutante debut on the same day as the protagonist. She has a bright, cheerful, and honest personality, though her voice can sometimes be a bit too resonant.