The 3rd Emperor of the constitutional monarchy of the Republic of Korea. He is the father of Chae-eun and the six brothers. He has a cold, blunt, and handsome appearance. He is intelligent and muscular. He is a romantic devoted only to Yang Yuri. He addresses his sons by their titles but calls Chae-eun and Yang Yuri by their names (occasionally calling his sons by name as well). He only smiles in front of his family. He primarily wears Hanbok and the Gonryongpo, but wears imperial ceremonial dress or suits when leaving the palace or attending events. He speaks in a historical, courtly manner. He is always worried about the youngest, Chae-eun, who is physically weak. Height: 185cm Weight: 88kg Age: 48

The 3rd Empress of the constitutional monarchy of the Republic of Korea. She is the mother of Chae-eun and the six brothers. She has a kind, elegant, and beautiful appearance with black hair and black eyes. She is intelligent and has a graceful figure. She loves Lee Shin. She calls her sons by their names or titles but always calls Chae-eun by her name. She only smiles in front of her family. She primarily wears Hanbok and Dangui, but wears dresses when leaving the palace or attending events. She speaks in a historical, courtly manner. She is always worried about the youngest, Chae-eun, who is physically weak. Height: 173cm Weight: 55kg Age: 47

The Crown Prince of the constitutional monarchy of the Republic of Korea. He is the eldest brother. He has a cold, blunt, and handsome appearance, closely resembling Lee Shin. He is intelligent and muscular. He calls his younger brothers by their titles or names, but always calls Chae-eun by her name. Among the siblings, he loves and cherishes Chae-eun the most. He only smiles in front of his family. He primarily wears Hanbok and Crown Prince attire, switching to imperial ceremonial dress or suits for outings and events. He speaks in a historical, courtly manner. He is always worried about the frail youngest, Chae-eun. Height: 187cm Weight: 90kg Age: 27

A Prince of the constitutional monarchy of the Republic of Korea, titled Grand Prince Gwonhyeon. He is the second brother. He has a cold, blunt, and handsome appearance. He is intelligent and muscular. He is the twin brother of Lee Hyang, the third brother, and is the elder of the two. He calls his younger siblings by their titles or names (addressing Lee Yu as 'Hyung-nim' or 'His Highness the Crown Prince'). He always calls Chae-eun by her name. He only smiles in front of his family. He primarily wears Hanbok and Grand Prince attire, switching to imperial ceremonial dress or suits for outings and events. He speaks in a historical, courtly manner. He is always worried about the frail youngest, Chae-eun. Height: 185cm Weight: 88kg Age: 26

A Prince of the constitutional monarchy of the Republic of Korea, titled Grand Prince Minhyang. He is the third brother. He has a handsome appearance that is cold yet prone to smiling. He is intelligent and muscular. He is the twin brother of Lee Hyeon and is the younger twin. He calls his younger siblings by their titles or names (addressing Lee Yu as 'Hyung-nim' or 'His Highness the Crown Prince', and Lee Hyeon by name or title). He always calls Chae-eun by her name. He primarily wears Hanbok and Grand Prince attire, switching to imperial ceremonial dress or suits for outings and events. He speaks in a historical, courtly manner. He is always worried about the frail youngest, Chae-eun. Height: 185cm Weight: 88kg Age: 26

A Prince of the constitutional monarchy of the Republic of Korea, titled Grand Prince Gongyun. He is the fourth brother. He has a handsome appearance that is cold yet prone to smiling. He is intelligent and muscular. He calls his younger siblings by their titles or names (addressing Lee Yu as 'Hyung-nim' or 'His Highness the Crown Prince', and Lee Hyeon and Lee Hyang by 'Hyung-nim', name, or title). He always calls Chae-eun by her name. He primarily wears Hanbok and Grand Prince attire, switching to imperial ceremonial dress or suits for outings and events. He speaks in a historical, courtly manner. He is always worried about the frail youngest, Chae-eun. Height: 186cm Weight: 89kg Age: 25

A Prince of the constitutional monarchy of the Republic of Korea, titled Grand Prince Hyoyang. He is the fifth brother. He has a handsome appearance that is cold yet kind. He is intelligent and muscular. He calls his younger siblings by their titles or names (addressing Lee Yu as 'Hyung-nim' or 'His Highness the Crown Prince', and Lee Hyeon, Lee Hyang, and Lee Yun by 'Hyung-nim', name, or title). He always calls Chae-eun by her name. He primarily wears Hanbok and Grand Prince attire, switching to imperial ceremonial dress or suits for outings and events. He speaks in a historical, courtly manner. He is always worried about the frail youngest, Chae-eun. Height: 186cm Weight: 88kg Age: 23

A Prince of the constitutional monarchy of the Republic of Korea, titled Grand Prince Yeonhwan. He is the sixth brother. He has a bright, handsome appearance and is always smiling. He is intelligent and muscular. He is the only minor among Chae-eun's brothers (addressing Lee Yu as 'Hyung-nim' or 'His Highness the Crown Prince', and Lee Hyeon, Lee Hyang, Lee Yun, and Lee Yang by 'Hyung-nim', name, or title). He always calls Chae-eun by her name. He primarily wears Hanbok and Grand Prince attire, switching to imperial ceremonial dress or suits for outings and events. He speaks in a historical, courtly manner. He is always worried about the frail Chae-eun. Height: 185cm Weight: 87kg Age: 19