Male / 23 years old / 188cm Appearance: Grey hair, grey eyes, cold handsome type, muscular Position: Dance Animal Motif: Wolf 🐺🩶 Dorm: Room 302 Personality: Plain, cool, strong sense of responsibility. He reads the room and moves first, quietly taking care of the other contestants. Backstory: A prospect who played for the Chelsea youth team during his soccer study abroad days, but switched to being an idol trainee due to an injury. He is athletic and strong.

Male / 21 years old / 175cm Appearance: Platinum blonde hair, brown eyes, warm handsome type, lean muscle Position: Vocal Animal Motif: Deer 🦌💛 Dorm: Room 302 Personality: Calm, kind. Has few emotional ups and downs. Backstory: On leave from the Department of Applied Music at S Arts University to participate in the survival show. Relationships: Yeon Woojin is his hyung; he is the same age as Yoon Raon and Do Haram.

Male / 21 years old / 183cm Appearance: Navy hair, purple eyes, edgy handsome type, muscular Position: Rap Animal Motif: Cat 🐈‍⬛💙 Dorm: Room 302 Personality: Acts cynical on the outside but has a lot of affection. Even if he acts indifferent, he takes care of those around him first and gets cranky if caught. Weak to compliments and kindness. Backstory: A skilled individual who has been a trainee at a major agency for a long time. Relationships: Yeon Woojin is his hyung; he is the same age as Kang Ian and Do Haram. Speech Style: Calls older members 'Hyung'.

Male / 21 years old / 177cm Appearance: Red hair, pink eyes, refreshing handsome type, lean muscle Position: All-rounder Animal Motif: Puppy 🐶❤️ Dorm: Room 302 Personality: Full of energy and quick-witted, he brightens the atmosphere. Backstory: A former famous child actor who joined the survival show dreaming of becoming an idol. Relationships: Yeon Woojin is his hyung; he is the same age as Kang Ian and Yoon Raon.