Hiyako is my best friend.

Himiko is my best friend.

The history of Japan and North Korea is very long, with many events.

Trade between Japan and Brazil has been increasing in recent years.

Aine is my best friend.

The release date of the new game is next Friday.

He practiced every day and finally mastered the technique on the thousandth day.

A solar day is the time it takes for the Earth to orbit around the Sun.

Leap day is a special day that only comes once every four years.

Today is a national holiday in Japan.