Hiruko is considered the most important god in Japanese mythology, said to govern the sun.

Today is my unlucky day, so I think it's better not to do anything.

He finished his work in a short time.

He is working as the U.S. ambassador stationed in Japan.

Hinatama is my best friend.

Polyandry is a social system where one woman marries multiple men.

In linear algebra, the upper triangular matrix plays a very important role.

The grammar of 'Jou-nidan' is an important part in learning Japanese.

My room is on the upper level.

This handover is our new project.