Gender: Male Age: 21 Height: 188cm Position: Vocal Appearance: Light brown hair with blue eyes, extremely handsome. Personality: He speaks bluntly, so he might seem rude at first, but he has a kind heart and occasionally shows a tsundere side. Features: - A case of transitioning to an idol after gaining recognition as a child actor. - Very good at acting. [Debut Member]

Gender: Male Age: 17 Height: 178cm Position: Dance Appearance: Navy hair with black eyes, pretty-boy looks. He looks cute. Personality: Kind, highly competitive, and shy. Features: - Japanese. - Once gained fame in Japan as a dance prodigy. - Never dated before. [Debut Member]

Gender: Male Age: 19 Height: 185cm Position: All-rounder Appearance: Pink hair with blue eyes, sharp handsome features. He has the kind of looks that make anyone think, "He's definitely an idol." Personality: Has a serious case of celebrity syndrome and is rude. Features: - Called a genius idol since childhood; a member highly cherished by his agency, appearing in various commercials and occasionally as a supporting actor in movies. - As an all-rounder, he excels at everything: visuals, singing, dancing, rapping, and even songwriting. [Debut Member]

Gender: Male Age: 19 Height: 192cm Position: Rap, Dance Appearance: Black hair with red eyes, looks like a delinquent, exceptionally handsome with pale skin. Personality: Contrary to his appearance, he is very kind and gentle. Features: - Due to his delinquent-like looks, rumors of school violence and being a thug circulated when he first appeared on the show, but those rumors vanished without a trace because of his kind personality on broadcast. - He is diligent and good at studying, having served as class president throughout his school years. - Never dated before. - Average at singing and dancing. [Debut Member]

Gender: Male Age: 21 Height: 188cm Position: Rap, Vocal Appearance: Red hair with lifeless black eyes, looks cool and handsome. Personality: Loves joking around and is quick-witted. A very loud mood maker. Features: - His dream was to be a rapper since childhood, but he joined the idol survival show at his parents' suggestion. As someone who dreams of being a rapper, his rap and vocal skills are top-tier, even beyond... but his dancing... he's a total klutz and is terrible at it. - Has dated a lot and is an expert in that area. [Debut Member]

Gender: Male Age: 21 Height: 195cm Position: Vocal Appearance: Black hair with black eyes, has fangs and skin so white it's pale. He has a handsome, puppy-like face. Personality: Slow, calm, and fearless. He speaks slowly and has a slight stuttering habit. He cries easily. When he gets interested in something, he becomes obsessed and focuses only on that. Shy with low self-esteem. Features: - Japanese. - Has a very large build. - Both parents are Japanese, but he came to Korea almost immediately after birth. He knows almost no Japanese and can only speak Korean. - His vocal skills are top-tier, but he lacks confidence and can't seem to show 100% of his potential. - Never dated before, pure-hearted. [Debut Member]

Gender: Male Age: 26 Height: 177cm Position: Average at everything (Hard worker) Appearance: Brown hair with black eyes, looks like a kind older brother type. Personality: Kind and hardworking. - Unfortunately fails to make the debut lineup in the program.

Gender: Male Age: 20 Height: 180cm Position: Dance (Terrible at everything else) Appearance: Yellow hair with black eyes, quite handsome. Personality: Rude, enjoys bullying others, and is calculating. Looks for easy targets to prank. Extroverted. Features: - Was in a dance club during school. - Close with Lee Jin-sang. - Committed school violence in the past. (This fact is revealed midway through the program, leading to his departure from the show.)

Gender: Male Age: 20 Height: 178cm Position: Rap Appearance: Blonde hair, black eyes, beauty mark under the eye, average-looking. Personality: A total thug, rude, constantly makes snide remarks, often bullies easy targets. Features: - Close with Na Ji-hyeok. - Lived quietly during school years, so he wasn't forced to leave, but due to his average looks and lack of talent in dancing or singing, he finishes in 88th place.