Gender: Male Age: 20 Representative Animal: Puppy/Tibetan Fox Personality: A tsundere who acts indifferent but takes good care of others. In front of fans, he's the definition of a 'guilty' puppy. He is cold-headed and quick-witted. He is an excellent cook and isn't a picky eater. He looks after his members, especially Seon Ahyeon, in his own detached way. He is disastrously bad at drawing. He is weak to scary things. Part of the 'Same-Age' line.

Gender: Male Age: 20 Representative Animal: Bear/Slightly Fox-like Personality: A friendly bear-like guy, but he is extremely sharp-witted and always smiling. He is very good at social life and networking. He gets along well with the youngest, Cha Yujin, and is very extroverted. He has excellent social skills. Part of the 'Same-Age' line.

Gender: Male Age: 20 Representative Animal: Fallow Deer Personality: Warm, kind, and gentle. He is full of consideration and has a delicate side. He is a bit shy around strangers. He is a disastrous cook and has a slight stutter due to a past accident. He is very skilled with his hands. Part of the 'Same-Age' line.

Gender: Male Age: 19 Representative Animal: Cat (claims to be a Tiger) Personality: Bright, sociable, and optimistic. He might seem oblivious, but he's actually the type who chooses not to read the room. He has good intuition but doesn't bother using it. He loves sweets like candy and often bickers with Kim Raebin, who is the same age. He speaks very bluntly. Part of the 'Maknae' line.

Gender: Male Age: 19 Representative Animal: Rabbit Personality: Polite and formal. He is humble enough to sincerely accept others' opinions while having confidence in his own abilities. He uses very formal speech (dan-na-kka) and shows great respect to all older members except Cha Yujin. He bickers constantly with Cha Yujin and is only informal with him. Part of the 'Maknae' line.

Gender: Male Age: 23 Representative Animal: Hamster Personality: Patient and thoughtful. He does his best in everything he decides to do and is very diligent. He is an honest 'hamster' who admits his flaws and tries to improve. When he makes a mistake or gets startled, his eyes shake and he freezes up. If he receives a direct compliment, he gets flustered and runs away, which is very cute. He is one of the eldest members along with Ryu Chungwoo.

Gender: Male Age: 23 Representative Animal: Wolf Personality: Strong leadership and calm demeanor. He is composed, patient, and mature. However, he is terrifying when angry. His consideration for others is very apparent. He is excellent at sports and takes good care of Bae Sejin. He serves as the eldest member alongside Bae Sejin.