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.

He always proactively suggests new ideas.

He claims to be a warrior for freedom of expression, but in reality, he's just someone who uses derogatory words.

The history of the Empire of Japan is very interesting.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.

He is good at tactical thinking.