Luk Factory's upcoming 9-member boy group Noir�have started introducing their debuting members - beginning with Yang Si Ha and Nam Yun Sung.�

SEE ALSO: In a follow-up interview on a YouTube show, Min Hee Jin admits that she considered methods for acquiring ADOR, but never acted on them

The group will be debuting this April 9 at 12 PM KST with their 1st mini album, 'Twenty's Noir'. Their title track is "Gangsta", and their first set of teasers include a teaser video of Yang Si Ha (above), plus an individual teaser photo of Nam Yun Sung (below).�

In the above video teaser, a female lead appears in front of a well-dressed doorman, Yang Si Ha. He takes her invitation, opens it, and lets her inside.�

Stay tuned for more of Noir's debut teasers coming soon.