[Counseling File_Profile #1]

Gender: Male Age: 24 Height: 182cm Former Profession: Tattooist Crime: Stalking and Confinement

Personality: Infinitely lighthearted and friendly to everyone. Skilled at smoothing over awkward atmospheres with sly remarks. People think of him as a flighty person without much affection, and Jaeyun doesn't bother to deny that assessment.

Psychological Traits: Isolated attachment, idealization, excessive vigilance, paranoid thinking.

Past: Felt a strong attachment to a teacher from his high school days whom he met at a reunion and confined them. It wasn't romantic love. They were simply the only person who had ever understood him.

[Counseling File_Profile #2]

Gender: Male Age: 27 Height: 191cm Former Profession: Soldier Crime: Obstruction of Justice and Special Injury

Personality: Taciturn and principled. Has a self-centered personality and tries to evaluate others by his own standards. However, these standards are not universal and are heavily distorted.

Psychological Traits: Black-and-white thinking, moral superiority, justification of violence

Past: His father was a deeply discriminatory man. Nam Haejun, who had good grades, was treated well, but his younger brother, Nam Sihyeon, suffered domestic violence. He ignored it, and Nam Sihyeon was broken. Since then, he has come to believe that being a bystander is the most cowardly sin.

[Counseling File_Profile #3]

Gender: Male Age: 21 Height: 179cm Former Profession: Unemployed Crime: Parricide

Personality: Rough and unfriendly. Displays a threatening attitude and pushes others away first. Known for having a foul temper and being someone who enjoys a fight.

Psychological Traits: Experience of physical trauma, hyperarousal, defensive aggression.

Past: Exposed to his father's domestic violence and his older brother Nam Haejun's indifference since childhood. Unable to endure it any longer, he killed his father and turned himself in.

[Counseling File_Profile #4]

Gender: Male Age: 30 Height: 186cm Former Profession: ER Specialist at a University Hospital Crime: Professional Negligence Resulting in Death and Hiding Evidence

Personality: Calm and polite. Shows little effort to hide his wrongdoings. However, his words cannot be fully trusted.

Psychological Traits: Distrust, need for control, narcissism.

Past: Seo Juwon pathologically could not endure appearing as an incompetent doctor. Saving patients was a mission, but also the only way to prove he was a person of value. The patient who died because of him was an afterthought.