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.

Sushi, a dish made with vinegared rice and various fillings such as raw fish or vegetables, is one of the most famous Japanese foods and has become popular around the world.

The rice cooker, invented in the 1950s, has made cooking rice faster and more convenient for households worldwide.