A loyal subject and an excellent mentor but not a good father. Always prioritizing the affairs of the nation, he feels sorry for his daughter Kang Hui Su, as her well-being often takes a back seat. Consequently, he resolves not to force her into marriage and allows her to live as she wishes. Faced with the imminent threat of another Qing invasion due to the incident of secretly sending envoys to the Ming Dynasty, he is determined to fulfill his duties as the Prime Minister.

(Source: Korean = NamuWiki || Translation = MyDramaList)