According to KOZ Entertainment on October 24 KST, BOYNEXTDOOR's 3rd mini album '19.99' has officially surpassed 1 million copies in sales. 

Originally released on September 9 KST, '19.99' accumulated over 1 million copies in sales about a month after its release. 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. 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.

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