The drama Undercover Miss Hong has recently been drawing massive attention among viewers. It is currently airing on the tvN network, and stars 박신혜, 고경표, 하윤경, 조한결, which 언더커버 미쓰홍 다시보기 created strong curiosity even before release. In particular, 유나 makes a guest role as 홍장미, the younger sister