Sun-hwa's boyfriend at the start of the film. He displays a dismissive attitude toward Han-ki's presence, which escalates into a violent confrontation involving military personnel.
Yun-tae is Sun-hwa's established romantic partner and primary emotional anchor.
Direct physical and social conflict arises from Han-ki's intrusion into Sun-hwa's relationship.
Yun-tae and Myeong-su operate as a cohesive peer group supporting each other.
Eun-hye interacts within the same social circle as Yun-tae and observes the conflict.
Explore the full interactive character relationship map of Bad Guy