At "Village of Firefly",Okumeiji, Yabu-shi, Hyogo, whicg is designated as reserve of Luciola cruciata, you can go to quiet beauty world where fireflies dance in abandon in mid to end of July.
Around the area, there are facilities such as "Mansion of Firefly", "Meiji Natural Experience Learnig", "Kibouokoku Bungalow", and "Firefly Waterfront Park". You can also stay there.