Yoshimoto is not far from Tokyo so much. However, the landscape is totally different. Most foreign people who came to here are asking like that. For instance, changing from skyscrapers to countryside. It’s very simple and easy way to feel it.
3 ways to access
Shima from Tokyo by Train
Tokyo Station/Joetsu Shinkansen → Takasaki station/JR Joetsu line → Shibukawa station/JR Agatsuma line → Nakanojō Station