The drama 언더커버 미쓰홍 has recently been drawing massive attention among viewers. It is currently airing on tvN, and stars 박신혜, 고경표, 하윤경, 조한결, which created strong curiosity even before release. In particular, actress 유나 makes a surprise cameo as 홍장미, the younger sister of 홍금보, placing the show at