As a carpenter, he has mastered the technique of making mortises.

The six holes of the human body play a very important role.

Mr. Anakubo is my friend.

I found a common rabbit in the park.

He was observing the outside through the peephole in the door.

He was so ashamed of his failure that he wished he could crawl into a hole.

He inserted his finger into the anus.

The Oniwaban was in charge of information gathering and security during the Edo period.

The Calopteryx cornelia is a species endemic to Japan, and it has beautiful wings.

They appear to be antagonistic on the surface, but in reality, they are seemingly not part of the same group.