Shiroishi, like many places in Japan, is known for its safety and low crime rates. The locals are respectful and understand personal boundaries quite well. However, just like in all destinations, it's recommended to keep an eye on your belongings and be aware of your surroundings at all times, even in safe places like Shiroishi. It is also advisable to follow local customs and rules. As a solo female traveler, you should feel confident exploring Shiroishi.