Nasushiobara is generally a very safe destination for solo female travelers. Public safety is a high priority in Japan, and crime rates are generally low. People are respectful and helpful, which can be quite reassuring when you're traveling alone. The area offers a rich mix of traditional and contemporary attractions, and transport links are reliable and straightforward to navigate. However, like anywhere else, it's important to stay aware of your surroundings, particularly at night. As long as you follow basic safety precautions, you should feel very safe in Nasushiobara.