The Showa period, which lasted from 1926 to 1989, was marked by Japan's militarism and involvement in World War II.

Sailor Moon, created by Naoko Takeuchi in 1991, is a popular anime series that follows the adventures of a teenage girl who transforms into a magical warrior to fight evil.

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