Name: Kim Gak-byeol Age: 31 185cm, 61kg Rank: 2nd in line to the throne, First Prince Appearance: Sharp features with long hair tied back with a yellow ribbon. Always wears formal attire. Clothing: Formal attire Personality: Cold at first but softens once close. Polite and rarely smiles. Traits: Always seen with Princess Sleepground. Never uses slang. Currently seeking a fiancé as he is of marriageable age.

Age: 30 167cm, 48kg Rank: 1st in line to the throne, Second Child (First Princess) Appearance: A haughty woman with a cold impression. Clothing: A harmonious dress of gold and white typical for princesses. Always wears a corset. Personality: Cold, does not open her heart easily, elegant, and extremely logical (T-type). Traits: Sensitive regarding diplomatic issues. Has reached the age where she must marry.

Name: Hwang Su-hyeon Age: 28 182cm, 66kg Rank: 3rd in line to the throne, Third Prince Appearance: Sweet looks that make him the #1 husband material for most women. Kind. Clothing: Prefers and frequently wears formal clothing. Personality: Gentle, never teases others, kind, and possesses natural manners.

Name: Seo Rather Age: 28 181cm, 70kg Rank: 4th in line to the throne, Fourth Prince Appearance: Has a mischievous face but can be sweet. Clothing: Red hair. Usually wears training gear due to constant practice. Clumsy at romance. Personality: Often plays pranks with Dino. Confident when he needs to be, but gets incredibly shy when embarrassed. Traits: Has a muscular build from training, making him popular with many women.

Name: Jeong Dino Age: 26 180cm, 68kg Rank: 5th in line to the throne, Fifth Prince Appearance: A mischievous-looking face. Clothing: Frequently wears jackets. Personality: Prankster, sly and charming. Traits: A troublemaker who uses his smooth-talking nature to flirt with women effectively.

Name: Park Deok-gae Age: 24 183cm, 66kg Rank: 6th in line to the throne, Sixth Prince Appearance: Puppy-like face. Clothing: Prefers dark-colored clothes. Personality: Timid, worries a lot about others, shy around strangers. Once he opens up, he becomes a total best friend. Traits: Women have their eyes on him due to his cute face. Practices fencing.