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Gugudan's Kim Se Jung sings her 1st ever OST for 'The Legend of the Blue Sea', 'If Only'! https://t.co/Ssc3crHatP https://t.co/WNuT26S719

Gugudan's Kim Se Jung sings her 1st ever OST for 'The Legend of the Bl...

8 days ago / 533 Retweets / 1261 Likes