▲ K-pop boy group Boynextdoor is seen in this photo provided by Koz Entertainment. (PHOTO NOT FOR SALE) (Yonhap)

SEOUL, Aug. 21 (Yonhap) -- K-pop boy group BOYNEXTDOOR will kick off a new Japan tour Friday, KOZ Entertainment said.

The group will hold the "KNOCK ON Vol.2 IN JAPAN" tour for three days through Sunday at K-Arena Yokohama in Kanagawa.

Starting in Kanagawa, BOYNEXTDOOR will meet Japanese fans in Saga on Aug. 29-30, Osaka on Sept. 9-10, Miyagi on Sept. 19-20, Nagano on Sept. 25-26 and Chiba on Oct. 10-11.

▲ K-pop boy group Boynextdoor is seen in this photo provided by Koz Entertainment. (PHOTO NOT FOR SALE) (Yonhap)

During the concerts, the group will perform "Boom Boom Boom," the title track of its second Japanese single released Wednesday.

"We're happy to be able to show how much we've grown," the members said. "We're excited to sing together with our fans and will make this tour a happy one."

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