Natto, a fermented soybean dish that is known for its strong odor and slimy texture, is a popular Japanese food that is often eaten for breakfast.
Karashi, a type of spicy mustard, is often served as a condiment with Japanese dishes such as sushi and grilled meat.
The karaoke machine, which was invented by Daisuke Inoue in 1971, has become a popular form of entertainment worldwide.