Get ready to hit the jackpot with the upcoming release of EXO's 'LOTTO'!

The boys continue teasing the mysterious and edgy concept with teaser images in which they pair off, with of course one group of three, to show their great chemistry and wreck your bias list.  Your eyes will dart from Chen to Xiumin to Kai as you rip your hair out going, "UGH, I CAN'T DECIDE"!

Check 'em out below.