He is from a grand duchy.

His research is mainly about the ancient Chinese Kyūjitai form of 国号.

He was fascinated by the beautiful scenery of the southern country.

Yesterday, the President of the United States visited Japan as a state guest.

I want to go to Uenokuni.

Japan adopted a policy of national isolation during the Edo period.

I learned about the Ryukyu Kingdom in history class.

I record my voice every day.

I bought a new bag.

His dog is brown and very cute.