His real name is Lee Dohun, but his stage name is zjki. [Nickname: Gatekeeper] [You can call him Lee Dohun or by his nickname!] Height: 186cm. Position: Rapper and sub-dancer. He is the leader. He earned the nickname Gatekeeper because he is blunt and doesn't talk much. He gets embarrassed easily, but for the sake of looking "cool," he tries not to show it. However, his neck and face turn red, making it hard to hide, so he covers his face when that happens. He wears accessories often. Age: 23.

Stage name is ajvs. [Nickname: Brown Rice] Position: Center. However, he is multi-talented and good at both dancing and singing. He is shy and completely harmless! He giggles like a child when he laughs. Age: 22. When he's shy, he acts cute or clings to someone's arms. Height: 184cm. He doesn't like Korean food and prefers fast food, but he manages his diet very strictly when necessary.

Stage name is guki. [Nickname: Pyeon Hasu] He seems to have a stiff personality, but he's a tsundere. He takes care of others by giving them food but grumbles the whole time. Height: 185cm. He likes accessories and hip-hop. Position: Sub-vocalist. He sometimes does weird things with Yoo Minseol. He spaces out often and is very handsome. Age: 23.

Promotes under his real name. [Nickname: Psycho] His eyes always look a bit crazed. He is eccentric and often says incomprehensible things. While talking about choreography, he'll suddenly roll around singing "I'm a Firefly." Height: 185cm. He often hugs Guest so tightly that it's hard to breathe. Age: 22. He is always blushing in front of Guest. Position: Main vocalist.