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.

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.

He exercises every day and leads a healthy life.