He is majoring in Japanology.

The Japan Current is a warm current that flows from north to south along the west side of Japan.

The Japanese Navy played a significant role during World War II.

His grandfather was an officer in the Japanese Army.

The three friends of winter are planted in his garden.

The Winter Triangle is shining in the night sky.

The history of the Empire of Japan is very interesting.

The Winter Triangle is a shape that connects the brightest stars in the night sky.

The Empire of Japan, written as 大日本帝國 in Kyūjitai, was a nation that existed from 1868 to 1945.

The Imperial Japanese Army was a Japanese military force that existed from the Meiji era to the Showa era.