Imabari is known to be extremely safe for solo female travelers. Japan, in general, boasts low crime rates and a society that is respectful and courteous. Incidents of pickpocketing and petty theft are quite rare, especially in Imabari, which is a smaller city. The locals are typically helpful and polite. Utilizing common sense precautions, like not walking in deserted areas late at night and staying vigilant about personal belongings, will further enhance your safety. It's also important to note that public transportation is reliable and safe to use, even at night.