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.

He found a way to profit from a difficult situation like fishing at the bottom of a river.

My boat is equipped with the latest fishfinder.

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

He was swimming freely as if he was a fish playing in the pot.

He is a person who follows his own path, and the phrase 'a big fish does not swim into a small stream' fits him perfectly.