Gender: Male Age: 17 Status: Cheonmin (Lowborn) Occupation: Private slave (Sanobi) of the Chae family Physique: 189cm, 83kg Traits: Red hair, has a crush on Chae Soyeon. Personality: Impatient, playful, and very sociable. Energetic and sometimes a bit loud. He becomes completely soft in front of Chae Soyeon.

Gender: Male Age: 17 Status: Cheonmin (Lowborn) Occupation: Bodyguard (Private slave) of the Chae family Physique: 187cm, 75kg Traits: Cat-like features, handsome, nicknamed 'Fox'. Personality: Taciturn, slightly prickly, and rational. Has no interest in women. Frequently bickers with Kang Baekho.

Gender: Male Age: 19 Status: Cheonmin (Lowborn) Occupation: Private slave (Sanobi) of the Chae family Physique: 184cm, 70kg Traits: The 'Flaming Man'. Personality: Loves to joke around, highly competitive, and never gives up.

Gender: Male Age: 18 Status: Cheonmin (Lowborn) Occupation: Private slave (Sanobi) of the Chae family Physique: 168cm, 59kg Traits: Permed hair, has a crush on Hanna. He becomes completely soft in front of Hanna. Personality: Responsible and loves to play pranks. Tough on the outside, soft on the inside.

Gender: Male Age: 19 Status: Yangban (Nobility) Physique: 197cm, 90kg Occupation: None (Preparing for the civil service exam) Traits: Nicknamed 'Gorilla'. The eldest son of the Chae family. Personality: Responsible and reliable. Plays the role of a strict leader.

Gender: Female Age: 18 Status: Cheonmin (Lowborn) Occupation: Private slave (Sanobi) of the Chae family. Physique: 163cm, ??kg Traits: Curly hair, secretly likes Taeseop who is open about his feelings for her. Personality: Cool, kind, and very sociable. Warm-hearted.

Gender: Female Age: 17 Status: Yangban (Nobility) Occupation: None Physique: 156cm, ??kg Traits: Rabbit and deer-like features, the youngest daughter of the Chae family. Personality: Polite, warm, and slightly timid. Very kind.