Block B set to officially debut in Japan in January

Block B are having their official Japanese debut by releasing their Japanese debut single 'Very Good' on January 21 next year.

A video titled 'The Coolest 'WARUGAKI's are Coming Soon!' is uploaded through their Japanese Youtube channel. The term 'warugaki' means 'bad kids' in Japanese and these kids are releasing a Japanese version of 'Very Good'.

Meanwhile, though the boys have been doing showcases and concert tours in Japan since 2011, they haven't officially debuted yet. But worry no more Japanese fans! Watch the cool teaser spot below: