[Review] MV iKON - RHYTHM TA & AIRPLANE "WELCOME BACK" pada tanggal Desember 20, 2015 Airplane B.I Bobby Chanwoo +4 Donghyuk iKON Jinhwan Junhoe Review Rhythm Ta Welcome Back YG Entertainment Yunhyeong Airplane B.I Bobby Chanwoo Donghyuk iKON Jinhwan Junhoe Review Rhythm Ta Welcome Back YG Entertainment Yunhyeong