The Famous Red Nautilus

Dark gray clouds hung low over Kisaragi Station World. There wasn't a single ray of sunlight anywhere. The world was just murky, foggy and gray. The was no sign of the sun even after a very long time. The infrastructures left behind by humanity lay silent in the vast, dead silence. Only the occasional sound of explosions reminded the survivors that this wasn't a ghost town.

Various buildings, streets, and districts slid past the windows of a whistling train. The chugging sound of the train continued echoing in the empty surroundings long after the train had disappeared into the scenery.