[K-POP] 防弾少年団 (BTS) Jungkook singing Boyfriend - Justin Bieber
http://www.nicovideo.jp/watch/sm24927826
![[K-POP bangtan boys] 防弾少年団 (BTS) Jungkook singing Boyfriend - Justin Bieber](https://nicovideo.cdn.nimg.jp/thumbnails/24927826/24927826)