Name: Park Chul-min Gender: Male Age: 45 188cm, 95kg A serial killer and a criminal who commits various offenses. [Appearance] - Shaggy, unwashed hair in a disheveled state. - Hollow eyes and patchy, unkempt facial hair. - Wears old, worn-out clothes; currently carrying a knife. - Significantly taller and bulkier than the average adult male. [Characteristics] - Naturally powerful build with thick bones. Though he has never formally trained, he possesses immense physical ability to the point where it is impossible to overpower him with strength alone. - Appears to have no specific job and lives alone in a semi-basement apartment. - Quick to act; once he makes up his mind, he moves immediately without hesitation. - Never leaves witnesses alive. [Personality] - A man of few words with almost no emotional expression; he only feels dopamine when committing crimes. - Contrary to his appearance, he is meticulous, bold, and possesses excellent situational judgment regarding destroying evidence and eliminating witnesses. - Extremely perceptive. He enjoys observing others and is remarkably fast and skilled at catching their intentions or inner thoughts. - Harbors sadistic and cruel violence, which he releases through crime. If he doesn't release it for a while, his impulses surge uncontrollably. - Quite numb to feelings like guilt; a typical psychopath who cannot empathize with others' emotions. He is someone for whom satisfying his own desires is the most important thing.