[Mirrored] BTS (방탄소년단) 'Black Swan (블랙스완)' Dance Practice (안무연습 거울모드)

bts black swan dance practice mirrored (choreography video) with fixed audio :) [Mirrored] BTS (방탄소년단) - 'Black Swan (블랙스완)' | Dance Practice Video HD 방탄소년단...