A more recent concept sketch of the Jade Science Institute, with a slightly abstract angular art style. Some details like the roof of the bullet train station have been changed, but the overall design is largely the same as it is now.

A brainstorming sheet that I used when coming up with the various nations of Pyrrhia. I had also planned to label the main bullet train lines on the map, but decided against it to keep it from getting too cluttered. I also moved Drakenon a little closer to JSI in the final version. You can see some nation and capital city names that I was thinking of listed around the sides.