[BANGTAN BOMB] The 3J Butter Choreography Behind The Scenes - BTS (방탄소년단) #BANGTANBOMB #방탄밤 #BTS_Butter #BTS #방탄소년단Connect with BTS: https://ibighit.com/bts http://twitter.com/BTS_bighithttp://twitter.com/BTS_twt http://www.faceboo...