I am made up of thousands of island. My highest point is Mt. Fuji. I am famous for my fast bullet trains Haikus, Sumo and Hello Kitty. Who am I? - riddle

I Am Made Up Of Thousands Of Islands – Riddle

Here is a new riddle for you. Guess which country it is saying about?

Riddle:

I am made up of thousands of island.
My highest point is Mt. Fuji.
I am famous for my fast bullet trains Haikus, Sumo and Hello Kitty.
Who am I?

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