The Tokyo metropolitan region is the center of Japan's economy.

My mother prepares a traditional Japanese meal every day.

Among polyandrous animals, there are species where one female mates with multiple males.

He is recognized as the top person in that field.

Three days ago, I went to Tokyo.

Mou is a common surname in China.

World War I was a large-scale war that lasted from 1914 to 1918.

He was anxious about starting a new business, but I encouraged him by saying, 'Even a journey of a thousand miles begins with a single step.'

Ogura Hyakunin Isshu is one of the classical literatures of Japan.

His actions destroyed his family's happiness.