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방탄소년단 데뷔 싱글 2 COOL 4 SKOOL 6월 12일 발매
BTS Debut single 2 COOL 4 SKOOL will be released on 12.June

Official Homepage : http://bts.ibighit.com
BTS Blog : http://btsblog.ibighit.com
Official Facebook :   / bangtan.official  
Official twitter :   / bts_bighit  
iTunes : https://itunes.apple.com/us/album/2-c...