This'll be a strange journey...
Geographical distance doesn't mean anything anymore since 7G.
What used to be a day trip to Ikebukuro looks like it could take months, adventures at each stop notwithstanding.
The bitter melon plants growing at unusual rates looks like they've solved their immediate hunger problems, but bitter melon for every meal? Yecch! But beats hunger I guess.
Has anyone noticed the rectangular panels on the floor?
Those are supposed to be filled with sand that is slowly dropped onto the tracks for traction.
Interesting world, and I love that the girls have so much personality, but I haven't quite figured out who is who yet. Maybe that's a good thing that they're not too simple as characters.