[2017MAMA x M2] 몬스타엑스 Reaction to 세븐틴’s Performancebr (MONSTA X Watching SEVENTEEN’s Performance)br br 2017 MAMA: 세븐틴 무대를 보는 몬스타엑스 br MONSTA X Reaction to SEVENTEEN’s Performancebr br 2017 MAMA 초밀착 현장 스토리는 오직 M2에서! br Exclusive Behind the Scenes from 2017 MAMA, Only at M2!br #2017MAMAxM2 in Japanbr br br More from M2? :Dbr br Facebook: Twitter: Instagram: