This castle was constructed in the 16th century.

He is planning to construct a new house.

I go to the gym every day.

The lamprey is known for its unique shape and ecology.

Although lampreys look scary, they are actually delicious.

In the past, people believed in the power of Zouki.

The banded houndshark is a species of shark that lives in the seas of Japan.

He was called a traitor and was criticized by the people.

Kunakoku is an ancient place name in Japan.

What modern prefecture does the ancient Japanese place name 'Wanokuni' correspond to?