He prayed to the heavens.

The sky is blue, and the weather is nice, isn't it?

When I looked up at the sky, a beautiful blue sky was spread out.

The Japanese river otter is an endangered species and is a target for nature conservation.

The Japanese tree frog is a beautiful frog that lives in the forests of Japan.

The Japanese wolf is one of the extinct species.

Beautiful bunch-flowered narcissus are blooming in my garden.

There are many Japanese newts living in this pond.

The scent of this Japanese mint is very refreshing.

He is majoring in Japanology.