BTS(방탄소년단) - Spring day(봄날) [2017 KBS Song Festival] HD

[2017 KBS Song Festival | 2017 KBS 가요대축제 / 2017.12.29]* Guest : BTS, Seventeen, EXO, Wanna One, Red Velvet, Gfriend, Twice, Mamamoo and more!!!!* 출연진 : 방탄소년...