Block B has released the comeback teaser video for member�Zico!

It's been six months since 'Welcome to the Block', and�Block B�will be returning with their first full-length album on October 17. Until now the group seemed to be going for an edgier, hip hop concept for their upcoming comeback, but P.O. and�Taeil's teasers have been soothing ballad tracks.

Check out Zico's teaser below!