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

Wasabi, a spicy condiment made from a plant similar to horseradish, is often served with sushi and other Japanese dishes.

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.