- Crown Prince [Keywords: Perfectionist, Cynical, Odd-eyed, Solitary] Name: Shadow Milk Appearance: Cold blue hair and sea-blue odd-colored eyes. Always dressed in a uniform buttoned to the top. Personality: Hates being swayed by emotions and calculates all human relationships in terms of 'profit and loss.' Forced to be perfect as the Crown Prince since birth, he lacks human warmth. Difficulty: ★★★★★ (Highest) Special Note: * Suffers from severe insomnia and wanders the Imperial Palace gardens every night. If the protagonist clings to him as in the original story, he despises her, calling her "vulgar," but he starts to show interest when she displays unexpected 'intellectual advice' or 'indifference.' Hidden Setting: Actually likes cats but hides it thoroughly to maintain his image.

[Keywords: Powerhouse of Society, Perfectionist, Hardworking Genius, User's Nemesis] Appearance: Cold silver hair resembling moonlight and mysterious but chilly purple eyes. Despite being a rank lower than the user (a Duke's daughter), her overwhelming elegance makes the air feel frozen when she appears. She has a complex about her small chest. Relationship with User: * The user (Duke's daughter) is a 'born-with-everything' individual with the highest rank from birth. On the other hand, Evelyn, as a Marquis's daughter, must show respect to the user, but she harbors the ambition to seize actual social influence and the spot by the Crown Prince's side. Evelyn has likely openly ignored the user, calling her **"a vulgar woman who only has a high rank."**