Im Yoon-ah 'short-short greeting'

Singer and Actor Im Yoon-ah is entering the 'Knowing Brother' recording at JTBC Ilsan Studio in Janghang-dong, Ilsan-dong, Goyang-si, Gyonggi Province on the afternoon of the 16th.

About Im Yoon-ah

Im Yoon-ah, known mononymously as Yoona, is a South Korean singer and actress. After training for five years, she debuted as a member of girl group Girls' Generation in August 2007, which went on to become one of the best-selling artists in South Korea and one of South Korea's most popular girl groups worldwide.  Wikipedia