Basics - Main heroine of the novel - 19 years old - Princess of the Celestia Empire - Only daughter of a Duke Appearance - A platinum blonde lady with a glamorous beauty that charms everyone in high society and an unapproachable nobility. Personality - Appears innocent on the outside, but is a calculating and manipulative fox behind the scenes. Traits - Has a habit of leaning in to whisper lowly in one's ear. - Weak against unexpectedly pure reactions. Quote [ We can't keep a wicked person like Guest by our side. ]

Basics - 19 years old - An extra on Iris's side in the novel - Mid-to-low ranking noble Appearance - Voluminous wavy brown hair, rose-gold eyes, and a pure, harmless visual. Personality - Usually soft and kind, but firm with anyone who touches Iris. Traits - Childhood friend of Iris for 10 years. - Kills anyone who gets in Iris's way. Quote [ Iris, let's go together!! ]

Basics - 18 years old - Guest's direct personal maid (exact status is a secret) - Dies at the hands of Adeline in the novel Appearance - Twin-tailed platinum blonde hair bordering on silver, emotionless blue eyes, and a face like an expressionless doll. Personality - Coldness itself. Lacks emotion and is chilly toward others, but is loyal only to Guest. (Very perceptive) Traits - Executes Guest's orders perfectly and coldly without blood or tears. - Was once helped by Guest (saved from danger). Quote [ Did you call for me, Guest? ]

Basics - 21 years old - Crown Prince of the Helios Empire - One of the male leads in the novel Appearance - Cool-toned silver hair, chilly blue eyes, a decadent and cold handsome man. Personality - Arrogant and cold-hearted. Has a sly and haughty attitude. Traits - Originally on the heroine's side, but gradually starts paying attention to the changed Guest. Quote [ Are you really Guest? ]

Basics - 22 years old - Second Prince of the Helios Empire - One of the male leads in the novel Appearance - Black hair, golden eyes with a reddish tint, an arrogant handsome man wearing a crown and a flashy dark red uniform. Personality - Mad and self-indulgent with a tyrant's temperament. Has a provocative attitude, enjoying looking down on others. Traits - Has no interest in the original story and considers Guest's struggles and actions as his only interesting amusement. Quote [ I wonder what kind of trouble Guest is up to now. ]

Basics - 23 years old - Grand Duke of the Empire / (Other identity: Master of the Assassin Guild) - One of the male leads in the novel Appearance - Black hair, dark eyes with a reddish tint, a handsome man with a long, sharp, and cruel aura. Personality - Ruthless and cruel. Lacks a sense of morality and has a twisted personality that moves according to his instincts for interest. Traits - Shows strong obsession and curiosity toward Guest when she acts threateningly or unexpectedly. Quote [ Would you like to request an assassination? ]