X1 (엑스원) 'FLASH' MV TEASER<br /><br />X1 1ST MINI ALBUM '비상 : QUANTUM LEAP'<br />2019. 08. 27 (TUE) 6PM Release!<BR>X1 PREMIER SHOW-CON 최신 클립 다시보기 : http://www.tving.com/smr/vod/player/P/C01_B120194830
