According to Minseon Kang, Jake's brother would represent the "evil side" of Gapryong Kim. Kitae exhibits cold-blooded behavior and doesn't hesitate to commit crimes or take someone's life. He displays a lack of shame or fear of the law, as evidenced by walking through the middle of Seoul with his body covered in blood and carrying the axe used in the homicide. To emphasize this, he also mentions that the Korean police are quick, presumably comparing the situation to Mexico, where he had settled