[KCON Japan] Seventeen-INTRO VCR+BOOM BOOM 170525 ㅣ KCON 2017 Japan×M COUNTDOWN M COUNTDOWN 17

- KPOP concert convention KCON 2017 Japan - KCON 2017 Japan×M COUNTDOWN - Seventeen-INTRO VCR BOOM BOOM ▶Watch more videos of KCON 2017: http:/...