[2017mama x M2] NCT 127 Reaction to 엑소's Performance HD

[2017mama x M2] NCT 127 Reaction to 엑소's Performance 2017 MAMA: 엑소 무대를 보는 NCT 127 NCT 127 Reaction to EXO's Performance 2017 MAMA 초밀착 현장 스토리는 오직 M2에서! Exclusive Behind the Scenes from 2017 MAMA...