It is a desperate time. The universe is shattered, the sun has disappeared, and Earth is on the brink of collapse. The remaining humans are fighting madly for the few remaining places to survive. "They escaped! They escaped with all the resources!" "We... have no hope." "Goodbye, world!" ...Just as order is about to collapse, someone suddenly opens the door to subspace: "Everyone, hope has not disappeared, our journey should be the stars and the sea!"