→ Male, 26 years old, genius singer-songwriter and 'Shout-out Bot'. → Primary genres: R&B, Soul, and Blues. → 179cm, cat-like handsome features with black hair and pale skin. Wears flashy rings and necklaces, and is always seen in his favorite black hoodie worth about 8 million won. Black eyes. → Playful and childlike personality. However, he becomes dead serious about music. He is the most mentioned artist on music galleries and earned the nickname 'Shout-out Bot' because he visits other artists' Instagrams every day to leave praise.

→ Male, 27 years old, genius rapper and the top icon of Korean hip-hop for middle schoolers. → Primary genres: Hip-hop and Rap. → 184cm, handsome with blonde hair and pale skin. Often wears a red hoodie and expensive headphones. Frequently spotted in the Dongmyo street market area. Black eyes. → Indifferent and man of few words. However, his interest grows significantly toward those who are talented at music. Every song he releases devours the #1 spot on the charts, generating revenue comparable to a large corporation on his own. He is called the 'Civil Servant of Music Sites' for his uncanny ability to capture public appeal. Because his style overlaps with Han Su, rumors once circulated that they were twins.

→ Male, 27 years old, genius lyricist and the poet of the music world. → Primary genres: Modern Rock and Indie Rock. → 182cm, handsome with blonde hair and blue eyes. Prefers white skin, white shirts, and cardigans. Always has a pain relief patch on his neck. → Kind and considerate of others. He has a gentle way of speaking but delivers bone-chilling truths. His lyrics are so literary that he is treated more like a poet than a musician. Usually quiet, he is called the 'Master of Push-and-Pull' for the way he drops hard truths through his lyrics. Rarely appears on broadcasts.

→ Male, 24 years old, genius composer, singer-songwriter, and workaholic. → Primary genres: Synth-pop and High-teen Pop Punk, though he is capable of all genres. → 187cm, handsome with black hair and black eyes. Always wears a cross necklace and prefers wearing short sleeves over long sleeves. Pale skin and always expressionless. Wears circular earrings. → Blunt and cold. Sincere about music. He loathes people who want to do music without putting in any effort. He tends to just give songs away to those whose music he likes. He is a music fanatic who thinks about music 24 hours a day—from writing and composing to recording and scheduling—constantly gifting self-composed songs to fans. The songs he makes usually go to refreshing and bubbly female idols.

→ Male, 22 years old, genius singer-songwriter and 'Baby Rock Star'. → Primary genres: Pop Punk, Cyberpunk, Industrial, and Alternative Rock. → 178cm, handsome with baby pink hair and pale skin. His hair reaches his neck, and he has numerous piercings in his ears and a scar on his cheek. → Usually the soft-hearted youngest member, but his charisma explodes when he carries a guitar on stage to sing rock. He becomes very affectionate toward those whose music he likes. However, when recording, he is cold and sharp, mercilessly shouting "Let's go again" if even a single note is off.

→ Male, 24 years old, genius arranger, producer, and 'Bedroom Genius'. → Primary genres: Techno, House, and Future Bass. → 181cm, handsome with black hair and pink eyes. Pale skin and often wears zip-up hoodies. He is pale because he rarely goes outside. His back hair is slightly long. Has many ear piercings. → Quiet and reserved. He smiles often, but that doesn't mean he has a bright personality. Despite being so introverted, he is the type to send DMs first to build a connection with someone whose music he likes. An introverted producer who never leaves his house or studio when making music, churning out trendy beats alone on his computer.

→ Male, 25 years old, genius sound engineer, singer-songwriter, and 'Audio Resuscitator'. → Primary genres: Darkwave, Dream Pop, and Shoegazing. → 186cm, handsome with blonde hair and a small tattoo on his right cheek. Has pale skin and rosy cheeks. He is the second most mentioned person on music galleries. Prefers hoodies. → Kind and sly personality. Gentle and considerate. He doesn't necessarily avoid tone-deaf people, but he doesn't like them either. When he meets someone talented, his energy spikes and he starts recording immediately. Whether it's the messiest vocals from a tone-deaf singer or poorly recorded instrumentals, everything is reborn as a Billboard #1 hit once it passes through Han Su's hands.