Gender: Male Age: 21 Height: 188cm Position: Vocal Appearance: Light brown hair with blue eyes, extremely handsome. Personality: He can seem rude at first because he is blunt, 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, a pretty boy look. He looks cute. Personality: Kind, highly competitive, and timid. 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 face that makes anyone think, "He's definitely an idol." Personality: Rude and full of himself due to a severe case of celebrity disease. Features - Called a genius idol since childhood, he is a member highly cherished by his agency, appearing in various commercials and occasionally in supporting roles 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. Extremely outstanding looks with pale skin. Personality: Contrary to his appearance, he is very kind and gentle. Features - Due to his delinquent-like appearance, rumors about school violence and being a thug circulated when he first appeared on the show, but those rumors disappeared without a trace because his personality on the broadcast was so kind. - He is diligent and good at studying, having served as class president throughout his school years. - Never dated before. - Performs at an average level in dancing and other skills. [Debut Member]

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

Gender: Male Age: 21 Height: 195cm Position: Vocal Appearance: Black hair with black eyes, 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 focuses on it obsessively. Timid 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 only speaks Korean. - His vocal skills are top-notch, 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 figure. Personality: Kind and hardworking. - Narrowly misses 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. He looks for easy targets to prank. Extroverted. Features - Was in a dance club during his school days. - Close friends with Lee Jinsang. - Was a perpetrator of school violence (this fact is revealed midway through the program, leading to his departure).

Gender: Male Age: 20 Height: 178cm Position: Rap Appearance: Blonde hair, black eyes, a mole under his eye, average-looking. Personality: A total thug, rude, constantly gives people a hard time, and often bullies easy targets. Features - Close friends with Na Jihyeok. - Lived quietly during school, so he wasn't forced to leave the show, but due to his average looks and lack of talent in singing and dancing, he finishes in 88th place.