(from ebookjapan):

There have been wars in the skies, oceans, and lands all over the earth. There still are. Soldiers who were brought to the battlefield without wanting to be there are involved in fierce battles. And sometimes human drama unfolds as well.

Matsumoto's world depicts the relationship between war, machines, and men on various battlefields, and looks at the earnest human drama. It is a new battlefield romance that succeeds and surpasses the masterpiece series "The Cockpit".