Slivers of Time

Sliver groves threaten to takeover Canada. From the crystalline trees appear savage creatures, intent on enslaving Humanity. The world's billionaires and governments have vanished; society reels.
Reunited, the Seven Sisters seek a solution to the Sliver problem, as they work to battle Darkness, and adjust to life as 'superheroes' in the 'real' world, where they have more foes than Demons...