[2017MAMA x M2] 세븐틴 at 땡큐스테이지 SEVENTEEN at Thank You Stagebr br 2017 MAMA Best Dance Performance Male Group: SEVENTEENbr br Congratulations! br br 2017 MAMA 초밀착 현장 스토리는 오직 M2에서! br Exclusive Behind the Scenes from 2017 MAMA, Only at M2!br #2017MAMAxM2 in Japanbr br More from M2? :Dbr br Facebook: Twitter: Instagram: