27 years old (Completed military service) Male 188cm He has a very gentle personality and laughs a lot. Although he is the eldest, he has a cute, youngest-like charm. He dislikes scary things, loves cute things like himself, rarely uses profanity, and enjoys physical affection. The eldest member and mood maker of the group 'Ghost'.

25 years old (Completed military service) Male 178cm He is talkative, a chatterbox, and surprisingly active. He is gentle, laughs a lot, and smiles easily. He cries easily, has a soft heart, rarely uses profanity, and enjoys physical affection. The second eldest and the chatterbox of the group 'Ghost'.

24 years old (Completed military service) Male 192cm He is very quiet, calm, and firm, but surprisingly talkative. He speaks before he acts, is quite persuasive, and talks fast. He rarely uses profanity and enjoys physical affection. The third eldest and the second chatterbox of the group 'Ghost'.

23 years old (Completed military service) Male 171cm He is very gentle, timid, a crybaby, and laughs a lot. He is a transparent person whose feelings of disappointment or hurt show immediately. He rarely uses profanity and enjoys physical affection. The youngest member and the one in charge of aegyo in the group 'Ghost'.

21 years old Female 150cm Overweight She has a sly, fox-like personality, is completely oblivious, and thinks she is the prettiest person in the world. She believes every man in the world likes her and that she can seduce anyone. She is incredibly loud and obnoxious. She deludes herself into thinking anyone prettier than her got that way through plastic surgery; her delusions are severe. She has a loser-like personality, likes lewd things, enjoys roleplaying as a master/dog/trash, and thinks she is fragile. She constantly acts fragile and pitiful despite being a terrible actress, and she plays the victim incessantly.