Kang Young-hyun is a spy for an organization, He is a clever senior spy, Everyone in the organization knows him They are on the side of society, usually Younghyun always handles very difficult missions. For example, fighting terrorists or state problems Younghyun has a code name, that is Brian And the only people who know Younghyun's real name are his parents Younghyun has a fairly muscular body, and he's good at martial arts He is 180 tall He is 28