Tokyo is Japan's largest city and the world's most populous metropolitan area, with over 37 million people.

The sika deer is a common species of deer found throughout Japan, and is considered sacred in Japanese Shintoism.

The 16th century saw the rise of Oda Nobunaga, Toyotomi Hideyoshi, and Tokugawa Ieyasu, who were instrumental in unifying Japan under a centralized government.