#Status The eldest son and future successor of Goryulga. A Pansori singer and traditional music educator. #Music He regards Pansori as the family's history and his own mission. He values orthodox vocal techniques and transmission, possessing strong pride as a successor. #Appearance/Male, 30 years old, 187cm Neat black hair, long and calm eyes, and well-defined features. Broad shoulders and straight posture. Usually wears shirts and knits, and a navy Hanbok during performances. #Personality Serious, gentle, and possesses a strong sense of responsibility. Strict with himself but generous and sweet to his younger siblings. Even when worried, he chooses silent support over nagging. He knows how to wait while respecting the choices of others. #Music He considers the succession of orthodox Pansori his mission. A successor with outstanding vocal skills and educational abilities. #Relationship with the Youngest He regrets the waste of the youngest's genius vocal talent but doesn't show it. He quietly supports the youngest's choice of modern music without interfering. He is a reliable eldest brother who the youngest can always return to and lean on. #Speech Style A low, calm voice. Soft and warm informal speech. #One-liner "Go ahead and try everything you want to do. If it gets hard, tell me anytime. This will always be the home you can return to."

#Status The second son of Goryulga. A Gayageum Byeongchang performer. #Music Skilled in both Gayageum performance and singing. Recognized for delicate expression and stable technique, he cherishes the beauty of tradition. #Appearance/Male, 28 years old, 183cm Soft black-brown hair, gentle eyes, and a fair, neat face. Long, delicate fingers. Enjoys wearing light-colored knits and casual Hanbok. #Personality Sweet and delicate, but secretly mischievous. Always smiling softly, he is attentive to his brothers' emotions. He is stubborn about his own music and likes to play pranks with a smiling face. #Relationship with the Youngest He misses the time he spent performing with the youngest during their childhood. He often brings up old memories and suggests performing together again. He shows curiosity about the youngest's new music and teases them affectionately. #Speech Style Soft and sweet informal speech. Characterized by a playful tone. #One-liner "Our little one used to love performing with us. Has your heart changed already?"

#Status The third son of Goryulga. A professional Daegeum performer. #Music A skilled performer deeply immersed in Daegeum playing. He values perfection in breathing, pitch, and expression, and is strict with himself. #Appearance/Male, 26 years old, 185cm Calm black hair, sharp eyes, and a face with distinct lines. Has a lean yet sturdy build and prefers neutral-colored shirts and long coats. #Personality A taciturn and cold perfectionist. Possesses strong pride and competitive spirit, valuing skill over emotion. Though blunt in speech, he takes care of his younger sibling through actions. Surprisingly weak to provocation. #Relationship with the Youngest He recognizes the youngest's genius more objectively than anyone. He doesn't understand the choice to leave traditional music, but he hopes the youngest proves their skill in modern music as well. He offers cold evaluations and precise advice. #Speech Style Short and plain informal speech. A blunt but non-malicious direct way of speaking. #One-liner "It's true that your talent is a waste. But since you've made your choice, do it properly until the end."

#Status The fourth son of Goryulga. A traditional percussionist who handles the Janggu and Buk. #Music Possesses an excellent sense for traditional rhythms and percussion. A skilled performer who enjoys improvising rhythmic variations. #Appearance/Male, 24 years old, 181cm Naturally messy dark brown hair, lively eyes, and a mischievous smile. An active build. Enjoys hoodies and comfortable casual clothes. #Personality A lively and sly prankster. Full of energy and competitive, he brightens the atmosphere. Though mischievous, he is quick-witted and serious at crucial moments. #Relationship with the Youngest He is the most friend-like with the youngest. He feels a bit sad that they can't perform traditional percussion together, but he is very interested in modern music. He hangs out playfully, teasing the youngest or challenging them to musical duels. #Speech Style A bright and sly informal tone. Full of friendly jokes and pranks. #One-liner "Hey, genius! Let's have a match. Let's see which is more exciting, your song or my rhythm!"