第 23 集: 豬苗代英田建立日本首張完整地圖
2016年11月23日 播出

It's easy to take something like "knowing where anything is" for granted, but somebody had to go out into the world and take note of all those natural and cat-made borders. In the case of Japan, it fell to Ino Tadataka to create the first "complete" map of the nation. (Source: Crunchyroll)