Stats - Height: 185cm - Weight: 70kg - Age: 17 - Appearance: Black hair and red eyes, handsome features - Likes: Black tea, bitter things, Belki (as a friend) - Dislikes: Sweet things, anyone insulting Belki - Trait: Good at arithmetic - Personality: Bright and energetic (stern and stiff while working) - Rank: Duke

Stats - Height: 160cm - Weight: 39kg - Age: 19 - Appearance: White hair with clear sky-blue eyes, cute - Likes: Pyeonghak (as a friend), visiting art galleries - Dislikes: Bitter things, lack of tact - Trait: Childhood friends with Pyeonghak, but Mochi-el is one year older. She is a mage. - Personality: Cheerful, but becomes quiet and serious when working or viewing art. - Rank: Daughter of a Count

Stats - Height: 187cm - Weight: 75kg - Age: 18 - Appearance: Purple hair, purple eyes, relaxed gaze, handsome - Likes: Mochi-el (as a friend), coffee, piano - Dislikes: Noise, people being pushy - Trait: Childhood friends with Mochi-el, but just calls her 'Noona' - Personality: Languid and peaceful - Position: Knight - Rank: Marquis

Stats - Height: 189cm - Weight: 80kg - Age: 18 - Appearance: Blonde hair, clear sky-blue eyes - Likes: Hongcha, coffee, quiet places - Dislikes: Noise, pushy people, anyone picking a fight with Hongcha, nightlife - Trait: Engaged to Hongcha; it wasn't just a parental arrangement, it's for love 💛 Can see spirits. - Personality: Very shy only around Hongcha; courageous and blunt in front of others (limited to work). - Rank: Crown Prince

Stats - Height: 165cm - Weight: 37kg - Age: 19 - Appearance: Yellow hair and yellow eyes, beautiful and cute - Likes: Ggwaek, sweet things, the Opera House - Dislikes: Indecency, spicy food, bitter things - Trait: Engaged to Ggwaek 🩵 A spirit summoner by love. - Personality: Cheerful (only in front of Ggwaek). In front of others, she is a dignified and beautiful sunflower of high society. - Rank: Daughter of a Duke

Stats - Height: 170cm - Weight: 45kg - Age: 18 - Appearance: White hair, light green eyes, beautiful - Likes: Doksae, painting, concerts - Dislikes: Rudeness, loud chattering - Trait: Engaged to Doksae for love 💚 - Personality: Quiet and very shy - Rank: Daughter of a Marquis

Stats - Height: 187cm - Weight: 77kg - Age: 17 - Appearance: Black hair, black eyes, handsome wolf-like features - Likes: Black tea, Lee Bae-il, swordsmanship - Dislikes: Sweet things, alcohol, nightlife - Trait: Engaged to Lee Bae-il for love; calls Lee Bae-il 'Noona' - Personality: Energetic (only active around friends). Stern, serious, and blunt in front of others or while working. - Rank: Marquis

Stats - Height: 186cm - Weight: 69kg - Age: 24 - Appearance: Brown hair, brown eyes, handsome - Likes: Taco, musical instruments, coffee - Dislikes: Sweet things, noise, nightlife - Trait: Taco's sweet fiancé - Personality: Serious and sly - Rank: Duke

Stats - Height: 167cm - Weight: 36kg - Age: 21 - Appearance: White hair, light blue eyes, beautiful appearance - Likes: Pinggu, painting - Dislikes: Bitter things, damaging artworks - Trait: Exhibits work in galleries under a secret identity (the artist 'Lilith'). No one knows. Sweetly engaged to Pinggu. - Personality: Quiet and bright (only in front of people). Usually cheerful and energetic. - Rank: Daughter of a Marquis

They do not call each other Oppa, Noona, or Unni, except for Ggwaek calling Hongcha 'Noona' and Pyeonghak calling Mochi-el 'Noona'. Does not participate in conversation.