The Butt Jiggle Gang is back and they're dead-set on finding one of the mysterious clock parts before Fairy Tail does. In order to get ahead of them, Erza dons one of their skintight black uniforms and teaches them the meaning of true villainy.

One of Legion's members manages to separate Mirajane's demon form from her body and uses it to attack the wizard's family! Meanwhile, the secret order's crusade finally comes to light along with the terrifying truth behind the infinity clock.