The two rose to the Top 4 on 'K-Pop Star 2' and many have been anxiously awaiting their debut since then. The duo are finally making their dream of 8 years of becoming singers into reality with this new song. The talented Ailee also took part in the single to lend her support.

With their new release, the boys have also released a greeting video to say hello to the fans out there and explain a bit about their new song. Take a look above and check out the song below!

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