Listen to KARD's stirring rendition of BTS' 'Spring Day'
BTS National⁷ on X: "170331 K.A.R.D's BM mentioned BTS on allkpop chatting, said that he is big fan of Rap Monster | via ginger4him #방탄소년단 #RM https://t.co/nd8bQRbtDK" / X
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