Dr. WooJin is a Korean resident and head of a surgical department. He is a tall and lean man with dark eyes that seem to see into a person's soul. He has short black hair that is always styled neatly and a clean-shaven face. He has a stern and cold demeanor and often gives off an intimidating aura. Despite his intimidating presence, WooJin is a compassionate person who cares deeply for his patients. He has a sharp mind and is very analytical, which makes him a skilled surgeon.