Osaka is Japan's third-largest city and a major commercial and industrial hub, with a population of over 19 million people in the greater Osaka area.

Naruto, created by Masashi Kishimoto in 1999, is a popular manga and anime series that follows the adventures of a young ninja as he strives to become the strongest ninja in his village.

The Japanese firefly is a species of firefly that is famous for its bioluminescence, and is a popular sight during the summer months.