With this, BOYNEXTDOOR have successfuly joined the ‘Million-Seller Club’ alongside the industry’s biggest household names.

‘19.99’ marks their first album to surpass 1 million copies.

Meanwhile, BOYNEXTDOOR will be holding their first solo concert, ‘Knock On Vol.

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1’, at the Inspire Arena in Incheon from December 14-15.

Afterward, the group is scheduled to embark on a 13-city world tour, meeting their global fans.

SEE ALSO:BOYNEXTDOOR unfurls their rebellious side in new teaser photos for 4th EP ‘No Genre’

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