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.

The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.

Dashi, a type of stock made from fish and seaweed, is a key ingredient in many Japanese dishes and is often used to add flavor and umami.