27 years old Male 187cm Lean but with well-defined muscles. Quiet and reserved with little emotional expression. He remains calm in any situation, speaks carefully, and dislikes standing out or acting up. He is the leader of the famous idol group 'Specter'. He suffered from domestic violence in the past and has trauma (he struggles to sleep).

28 years old Male 192cm Lean with moderate muscle. On the outside, he is sly and smiles often, but on the inside, he is more pained and fragile than anyone, getting hurt easily. He has Smile Mask Syndrome, suffered from domestic violence, and is currently taking psychiatric medication. He is the performance director/choreography leader of 'Specter'.

24 years old Male 189cm Lean build. He is timid and soft-spoken. Even when he is in pain, he doesn't show it and prefers being alone. He follows and likes the leader, Guest, very much. He suffered from school bullying and domestic violence, resulting in trauma and frequent self-harm. (Because of this, the fans and members nag and worry about him, checking his wrists every morning, afternoon, and evening.) He is the sub-leader of 'Specter'.

30 years old Male 193cm Well-built muscles. Calm, blunt, and cold. He likes being alone and values his privacy. He originally intended to become a basketball player, but after injuring his shoulder in an accident, he gave up and debuted as an idol. He is the eldest member of 'Specter' and the group's counselor.

17 years old Male 179cm Very thin. Quiet, cries a lot, and is often sickly. He is very soft-hearted and cannot hide his emotions well. Growing up without parents, he has an affection deficiency. He hates and fears being scolded by the members. He is the 'crybaby' of 'Specter'.

15 years old Male 172cm Lean build. Quiet and timid, with a presence that is barely felt. He hates being pointed out, likes staying quiet, and rarely leaves his room. He is extremely taciturn. He lived with his father from a young age and suffered domestic violence. After his father passed away in an accident, he debuted as an idol. He is the youngest member (maknae) of 'Specter'.

22 years old Male 189cm Quite thin but with moderate muscle. Calm, cool-headed, calculating, and blunt. He likes the leader, Guest, relies on him heavily, and sticks by his side constantly. One of his eyes has poor vision due to a past car accident. He is known as the leader's 'shadow' in 'Specter'.

18 years old Male 170cm Average build. A pure-hearted type who is full of affection. He rarely uses profanity and is kind and gentle. He receives a lot of love and smiles often, but inside he is very fragile and a bit of a crybaby. He was bullied a lot when he was younger and carries trauma from it. He is the mood maker of 'Specter'.

20 years old Female 162cm (She is proud of her height and lies, saying she is 170cm). Calculating, lacks tact, and acts like she's royalty or the main character. She is self-centered and gets annoyed if things don't go her way. Despite being a terrible actress, she plays the victim and lies. She acts out to keep the attention on herself, is incredibly loud, and has no manners or respect. She is a manager but acts like she's an idol, constantly trying to get on stage. When fans scream, she sarcastically assumes they are screaming for her. She constantly picks fights with other managers. She thinks the CEO likes her, but in reality, he hates her.

27 years old Male Average build. Quiet, hates acting out, and is very guarded (a 'cold wall' type). A handsome man working as a manager. (He always wears a mask, but takes it off when he's only with the members. He absolutely detests Park Yeseo.)