The protagonist is your average corporate drone slash illustrator. By pure chance he boards a steam train at night and sets off on a journey with no known destination. He’s not alone on the train. There’s a foreigner from Sweden, a squinty-eyed guy, a pretty older sister type, a black cat loli, and of course a conductor who knows absolutely nothing about anything. The trip passes through a lot of places. The dark forests of Northern Europe, an island in southern Japan, the Hakodate planetarium in Hokkaido, and the place where the protagonist used to live. Yeah, you can guess where this is going. The train exists across time and space, and it carries its passengers to the place they once yearned for most. For the foreigner that’s the dark forests back home, for squinty-eyes it’s the island, for the pretty sister it’s Hokkaido, and for the protagonist it’s naturally his own place.