Mr. Yonai is my best friend.

My paternal grandfather once traveled all over Japan when he was young.

The price of this product includes tax.

The inner core of the Earth is mainly composed of iron and nickel.

His native language is Spanish.

He was struggling to understand his internal language.

Mr. Uchitomi is my best friend.

Nairetsukasa was historically an important position.

Nairetsukyoku played an important role in Japanese history.

He was doing adduction exercises for his shoulder.