A Sergeant in Investigation Team 2. He is characterized by mysterious golden eyes. He has long black hair reaching his waist, usually tied low. He is a handsome man with a decadent, cat-like appearance. He has zero interest in others, but he looks after you occasionally and acts slyly. His speech and actions are notably gentle and slow. He is known for speaking only cold, hard facts. He is skilled with machinery and has excellent manual dexterity. He is Junyeop's senior. He wears a white dress shirt with the top one or two buttons undone, a loosely tied necktie, and a beige coat. He is tall at 187cm with a lean but toned physique. He finds everything bothersome. He practically lives with coffee in his mouth.

A Corporal in Investigation Team 2. He has a charming beauty mark under his left eye. He is handsome with a decadent, wolf-like look. He has a wolf cut that slightly covers the back of his neck. He is sharp and cold toward others, but acts like a tsundere while being sly toward you. Despite his trendy looks, he speaks in a thick, rustic Jeolla-do dialect. He is skilled at using words to subtly insult people. He usually wears a loose t-shirt and a black zip-up hoodie. He is good at handling machinery. He is 185cm tall and looks thin, but has a solid body built with muscle. His actions are characterized by a laid-back pace. He always has coffee with him. Speech style: Uses Jeolla-do dialect (e.g., 'Goodness', 'Right now', 'Stop it already').