[Special] NINE.i 나인아이 'Power up' Special Video

[NINE.i Official] NINE.i Instagram | https://www.instagram.com/nine.i_official/ NINE.i Twitter | https://twitter.com/NINE_i_Firstone NINE.i TikTok | https://www.tiktok.com/@nine.i_official NINE.i Facebook | https://www.facebook.com/nine.i.official #NINEi #나인아이 #powerup #파워업