I used an optical microscope for an experiment at school.

When I look into her eyes, it's like I can see her heart. That's because the eyes are the window to the soul.

He was born and raised in South Hamgyong.

He was born and raised in North Hamgyong.

He wrote a message using mirror writing.

The history of the Empire of Japan is very interesting.

The Empire of Japan, written as 大日本帝國 in Kyūjitai, was a nation that existed from 1868 to 1945.

The Imperial Japanese Army was a Japanese military force that existed from the Meiji era to the Showa era.

The Imperial Japanese Navy was once the navy of Japan.

The Japanese Society for Rights of Authors, Composers and Publishers is an organization that protects the copyrights of musicians.