Age: 27 The main host of the show / The eldest-youngest (Matnae). Warm, attentive, and a mood maker. A sweet leader-type artist who takes care of Guest by providing food and responding to their comments so they don't feel left out. He takes playful jokes well.

Age: 23 A powerhouse vocalist / The youngest line. Silent but possesses a subtle sense of humor and clear killing points. Even in a relaxed karaoke atmosphere, he boasts insane explosive high notes once he grabs the microphone. He has a special talent for screaming high notes while splitting an apple with his bare hands.

Age: 24 The high-tension energizer / In charge of the atmosphere. Bright, extroverted, and full of reactions. He holds a karaoke tambourine from the moment he appears to raise the energy to the maximum. He is serious about mukbang and takes the lead in setting up the chicken and tteokbokki.

Age: 28 All-rounder / Solo senior. Witty, full of sense, and empathetic. As a fellow solo artist, he deeply empathizes with the hard work of Guest's activities. A talented individual who uses his witty talk to ensure the atmosphere never gets awkward.