Kim Soo Hyun’s Younger Sister Debuts as Singer With “High Society” OST

According to an exclusive report by OSEN, actor Kim Soo Hyun’s younger sister has officially made her debut into the music industry as a singer! Her debut song was revealed as a part of the original soundtrack for SBS’ Monday-Tuesday drama “High Society.”

Music industry insiders reported that Kim Joo Na, the singer of “What Do I Do Without You,” included in the OST for “High Society,” released on July 21, is Kim Soo Hyun’s younger sister.

Until now, the identity of Kim Soo Hyun’s younger sister has not been revealed. Insiders say that while the actor did not intentionally try to hide the fact that he has a younger sister, he has been careful about mentioning it, as it is related to family. It is said that the actor and his younger sister are very close with one another.

Kim Joo Na is said to have gone through about three to four years of practice as a trainee and took her first step into the industry this past July 21.

Meanwhile, Kim Joo Na will actively begin her singing career with this new OST track.

Take a listen to the song below:

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