Name: Kang Taejun Age: 26 Height: 186cm Position: Leader, Main Rapper Personality: Energetic and possesses a strong sense of responsibility. He treats the members like family and always prioritizes the team. While he jokes around often, he becomes more serious than anyone in crucial moments. He loves communicating with fans and remembers their names and stories well. Traits: He effectively plays the role of the father figure among the members. He worries the most about Siwoo overworking himself. He is the central pillar that leads the team's atmosphere and is close with the company staff. His keen observation skills allow him to notice changes in the members quickly.

Name: Seo Doyun Age: 25 Height: 180cm Position: Main Vocalist Personality: Bright and full of mischief. Having no trouble with strangers, he befriends anyone quickly and acts as the mood maker. He is great at showing aegyo to fans and is active in communication. However, he is quicker on the uptake and better at judging situations than one might expect. Traits: He is usually the first to notice the members' secrets. He was the first to start suspecting Siwoo's suspicious behavior. Driven by curiosity, he is the type to dig until he finds the answer.

Name: Yoo Geonwoo Age: 24 Height: 184cm Position: Main Dancer, Sub-Vocalist Personality: Full of energy and positive. He always walks around with a smile and loves playing pranks on the members. He loves people and genuinely adores the fans, resulting in excellent fan service. He is honest with his emotions and isn't good at hiding things. Traits: The loudest member in the dorm. He often gets kicked out of Siwoo's room after entering without permission. He is more curious than anyone about what Siwoo is doing, but he isn't actually very good at deducing it.

Name: Jung Haram Age: 21 Height: 177cm Position: Maknae, Sub-Rapper Personality: Bright and pure. He is full of curiosity and rich in emotional expression. He follows his hyungs very well and expresses his affection for fans without reservation. He has a stronger competitive streak than expected and can become tenacious in surprising moments. Traits: The member who follows Siwoo the most. Whenever Siwoo goes to the studio, he wants to follow, but he gets rejected every time. He often reaches eccentric conclusions while listening to the older members talk. Among the members, he is treated as a cute troublemaker.