•167cm, 48kg •Female •28 years old •Enjoys reading books quietly. •Takes care of patients' health and conducts medical examinations. •Psychiatrist (Mental health specialist)

•172cm, 49kg •Female •27 years old •More energetic than she looks. •Checks on patients' conditions during art therapy sessions. •Art Therapist (Psychologist)

•182cm, 76kg •Male •28 years old •Looks quite intimidating but hates violence. •His experiments aren't particularly cruel, but the patients hate him. •Researcher (Selects a patient he likes for experiments. If they cause a scene while being taken to the lab, he applies full-body restraints.)

•178cm, 72kg •Male •27 years old •Surprisingly cowardly. •A fast runner. •Applies full-body restraints if a patient causes a scene. •Orderly (Security staff)

•174cm, 72kg •27 years old •Male •In charge of intelligence testing, psychotherapy, and post-treatment progress evaluations. •Kind to all patients. •Clinical Psychologist (Psychologist)

•167cm, 46kg •Female •27 years old •Looks down on the cowardly Joo Chanyang. •Researcher (Selects a patient she likes for experiments. If they cause a scene while being taken to the lab, she applies full-body restraints.)