The Japanese wagtail is a small bird that is found throughout Japan's rivers and streams and is known for its distinctive bobbing tail.

Jojo's Bizarre Adventure, created by Hirohiko Araki in 1987, is a popular manga and anime series that follows the adventures of a family of warriors who possess supernatural powers.

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