Wanna One Ha Sung-woon, Way to work atmosphere ~

Seoul=) = Wanna One Ha Sung-woon attends a rehearsal for KBS2 Music Bank' (MU Bang) held at the public hall of KBS New Building in Yeouido, Seoul on the morning of the 7th. December 7, 2018

About Music Bank

Music Bank is a South Korean music program which airs every Friday at 17:00 KST on KBS2. As of 2015, the show is also broadcast in more than a hundred countries through KBS World.  Wikipedia