"Oh, that's a good idea," Osamu says. "I hadn't thought of it. Though I dunno if people are gonna wanna use this trip to go someplace they can already get to just by train, you know? Don't most people wanna go to Okinawa or Hokkaido or some other exotic place?"

He gestures for them to turn off the main road with the station and to a sloping side street, going uphill against a residential backdrop.

"It's just around that corner," he says, pointing. "I think I see a line?"