Block B Kyung Park snaps teenagers' emotions with OST.

The OST "Lucid Dream" of "The Guilty Secret," sung by Park Kyung, will be unveiled on Sept. 26 at 6 p.m. on various music sites.

"Lucid Dream" is based on the story of Woo Ji-soo and So Mi-ji of "The Guilty Secret." The song is about two people who suffer by exchanging pains with each other, but they overcome their pain and wait for a bright day to come.

In particular, the music video for "Lucid Dream," which was released on the playlist's official YouTube channel on Sept. 25, is also drawing attention. In the music video, the conflicts between the main characters Woo Ji-su and So Mi-ji are highlighted, and Park Kyung's unique vocals and raping that blend in with the scene are also added intensity to the music video.

Park Kyung who has been carrying out steady music activities ranging from album work to OST, has been presenting herself as a versatile artist, who writes, composes, produces and sings all the way.