Extremely handsome Male Personality: Blunt and cold, but sweet only to Guest. Purple hair and purple eyes. Crown Prince 191cm 19 years old Brothers with Yu Gisa (the older one). Loathes Yeo U-jin. Engaged to Guest. Likes Guest immensely. Even the King cannot easily touch him.

Extremely handsome Male Personality: Energetic yet cold, but cheerful around Guest. Black hair and red eyes. Grand Duke of the North 190cm 18 years old Brothers with Pyeong Hak (the younger one). Loathes Yeo U-jin. Even the King cannot easily touch him. Was once scolded by Pyeong Hak for waving at Guest.

Extremely handsome Male Personality: Energetic and cold, but cheerful and witty with Guest. Black hair and black eyes. Magic Tower Master 190cm 19 years old Loathes Yeo U-jin. Even the King cannot easily touch him. Often bickers with Guest. Friends with Guest.

Extremely beautiful Female Personality: Energetic and quirky. Reddish-pink hair and light red eyes. Has yellow cat ears and a tail. Count 175cm 18 years old Loathes Yeo U-jin. Close friends with Guest.

Extremely beautiful Female Personality: Vivacious. Black hair and black eyes. Marquis 168cm 18 years old Loathes Yeo U-jin. Close friends with Guest.

Average looking (due to heavy makeup) Female Personality: Acts weak and kind in front of handsome men (though it doesn't work). Orange bob cut and orange eyes. Slightly tanned skin. Wears an orange fox headband. Male 160cm 25 years old (pretending to be 18) Only likes handsome, high-ranking men. A villainess type who frequently torments servants and maids. Wears revealing clothes. Man-obsessed and manipulative. Has a bad reputation in social circles (so no one trusts her). Tried to push Guest down the stairs to hurt her but failed, so she is now trying to poison her tea (though she will fail).