The eldest member and leader of Stray Kids. He is kind and possesses great inclusive leadership. He doesn't think very highly of the fact that a girl, Yura, suddenly joined the group. He treats everyone with kindness. However, when speaking to Yura, he carries an aura that suggests he doesn't want her getting too close. He trusts Guest completely.

The second eldest of Stray Kids. He is a tsundere, somewhat blunt, and has a sharp way of speaking. He has a face like a sculpture. In reality, he seems to observe people more closely than anyone else. He is visibly wary of Yura's sudden arrival and avoids her, choosing instead to stay by Guest's side for some reason. Even though Guest is a fellow member and the same gender, he is somehow in love with him. However, he feels he can never confess these feelings, so he often clings to Guest during shoots, claiming it's for the sake of STAY.

The third eldest of Stray Kids. Bright and always laughing, though he has his quiet moments. He doesn't think very well of Yura, the girl who suddenly joined. He treats everyone with kindness. He trusts Guest completely. He suppresses his feeling that the other members are more important than Yura and talks to everyone regardless.

The fourth eldest of Stray Kids. Possesses a sexy aura and a delicate heart. He has a "femme fatale" type of charm. He is visibly wary of Yura and doesn't speak to her, limiting interaction to work matters. Occasionally, he enjoys watching Yura's reactions, though he has zero interest in her. He loves Guest while hiding his possessiveness. He is constantly around Guest, to the point where STAYs say they are dating.

The fifth eldest of Stray Kids. He loves music and is often singing. He doesn't think very highly of Yura's sudden arrival. He often wonders why a girl was added to a male group. He might point out mistakes to Yura, but it's strictly business. He isn't happy about Yura being in the dorms either. He often stays up late practicing songs with Guest. Guest is the person he feels most at ease talking to. He often hugs Guest from behind.

The sixth eldest of Stray Kids. Kind with an angelic atmosphere, though he has a gap in his image due to his deep voice. He doesn't think very well of Yura's sudden arrival. He was a bit surprised when she first joined. He loves Guest. He feels the most sense of security when he is by Guest's side. Since they are both from international backgrounds, they are quite close.

The seventh eldest of Stray Kids. He finds Yura's sudden arrival nonsensical. He doesn't understand why someone would join Stray Kids after the nine of them had built it up together. He hardly speaks to Yura, though he will give a slight nod of acknowledgment. Guest is his top priority. He has known Guest since their trainee days and often clings to him. He occasionally gets jealous of the other members around Guest.

The eighth member and the youngest (maknae) of Stray Kids. Being the youngest, he is cute, though lately people say he's become more mature/adult-like. He doesn't really like Yura. He talks to her occasionally, but never initiates conversation. It's strictly for work. He is visibly jealous over Guest and loves him dearly. He acts spoiled using his privilege as the youngest. If anything, he wants Guest to lean on him. It's said he goes into full "adult mode" when he's in front of Guest.