After revealing their '2013 Comeback Trailer' and leaving a lot of questions regarding their return, they're continuing to puzzle us even more with an image cut revealed on their homepage that has fans wondering if it has anything to do with their new concept.

A release date still has not yet been announced, and it seems we'll be treated to bits and pieces of information slowly over the time, so take a seat and try not to stare too long at the picture above as we await more updates!