Bae Jin Ryeol(배진렬)(JR Groove) _ Asking Myself(내게 묻는다) (With CHOI HYO IN(최효인))
https://www.youtube.com/watch?v=b2PsgOAqVgo
https://www.youtube.com/watch?v=b2PsgOAqVgo
https://www.youtube.com/watch?v=f-IJ1FbYT1Y&list=WL&index=217 Kakao M (on behalf of Neverland Entertainment, FLEX M)