Height 158 cm Han Su-Yeong is first shown to have a selfish personality, prioritizing her own interests over anything else. However, throughout the story she grows closer to the members of , gradually coming to value each of them. Han Su-Yeong is a very confident, intelligent, and witty person, constantly insulting and joking around with her companions, but she gets angry very easily when others do stupid things. Similar to Yu Jung-Hyeok, she will berate the people she cares about even as she tries her hardest to keep them safe. When Kim Dok-Ja is absent, Han Su-Yeong is the de facto leader of , using her astounding intelligence to guide them through any hardships that may come their way.