D-Unit has recently released what they're calling the 'main image teaser" with all four members!

Like we've mentioned a few times already, the trio has announced the addition of a 4th member who "possesses extreme beauty" just in time for their return with album, 'Affirmative Chap.1'.

The group previously teased with a blurred out photo of the new member, but now we can see a bit of her facial feature (the member in the letter 'N') through the new photo released today!

It seems like they're determined to keep the identity of the new member, recommended by�BlockB's Zico who is producing their upcoming album, a secret until the release on March 4th. So it seems we'll just have to wait patiently until then, but what is certain is that this 4th member is definitely not Zico, like some hopefuls had predicted!

'Affirmative Chap. 1' will be dropping on the 4th, while the second part of the album will follow after at a later date.