I buy water at the water store every day.

Groundwater pollution has become a serious environmental problem.

I saw various aquatic creatures at the aquarium.

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.

After we had a big fight, we became a stronger relationship, just like the proverb 'after the rain, the ground hardens'.

With the spirit of preparing before it's too late, he started studying a week before the exam.

Learning about the history of Kamise Shichidai is very important for understanding ancient Japanese culture.

Kamimusubi is potentially a goddess appearing in Japanese mythology.