Approximately 12 million people live in Tokyo. Weather in winter is very dry in Tokyo, north east of Japan is snowing all the time. Summer is very warm and humid. Sushi is the most famous food in the world. Sushi is usually very expensive in Japan and we eat Sushi when we cerebrate something.
Japan is very westernized, so many young people imitate American culture and fashion.
If you have not been to any part of Japan, you should visit. You will enjoy real Japanese food and friendly Japanese people.