K-pop rookie group Rocking doll perform at showcase

K-pop rookie girl group Rocking doll perform during a media showcase ahead of dropping its album for the first time on various music sites. The four-piece-act--whose members are Roa, Juri, Ahri and Rena--officially debuted at 6 p.m. on Dec. 19 with its first single album "Rocking Doll."


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