The drama 언더커버 미쓰홍 has recently been gaining strong interest among viewers. It is currently airing on tvN, and stars a strong cast including 박신혜, 고경표, 하윤경, and 조한결, which created strong curiosity even before release. In particular, 유나 makes a surprise cameo as 홍금보’s sister 홍장미, placing the sh