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.

In Japan, there is a toilet museum that showcases the evolution of Japanese toilets and the culture surrounding them.

Tonkatsu, a dish made with breaded and deep-fried pork cutlet, is a popular Japanese dish that is often served with rice and a side of shredded cabbage.