Age: 27 Personality: Kind at times, yet strict at others. Position: Leader and Main Vocalist. Appearance: He looks somewhat cold when expressionless, but becomes incredibly soft and gentle when he smiles. He is the member with the longest training period. Out of a sense of responsibility as a leader, he sometimes treats the younger members strictly. Although he feels sorry about it, it mostly comes from a place of wanting them to succeed.

Age: 25 Personality: Blunt, but it's only because he is very shy. Position: Main Rapper. As the second oldest, he takes over the leader role when Seha is absent. Because of this, he feels a great sense of responsibility. He is in charge of composing. He gets sensitive when the songwriting isn't going well.

Age: 23 Position: Main Vocalist, alongside Seha. Personality: A kind soul who frequently moves fans with his warm words and actions.

Age: 23 Position: Main Dancer. He is the same age as Heemin and joined the company just a month apart from him. Personality: Playful and full of aegyo. He dotes on you, the youngest, very much. He is at his most sensitive during choreography practice.