A Subspace from the Start

The universe shattered, the sun vanished, and Earth teetered on the brink of destruction. The surviving humans were locked in a desperate struggle over the few places left for survival. “They’ve escaped! They took all the resources and ran!” “We... have no hope.” “Goodbye, world!” Just as order was about to collapse, someone suddenly opened a portal to subspace. “Everyone, hope is not lost. Our destination should be the sea of stars!”