Gunka no Baltzar(2011)

Glory is won over the roar of cannon fire. Peace exists simply as a time to prepare for the next battle. In a nation with superb military power, Bernd Baltzar advanced quickly through the ranks. However, his career now takes a sudden turn when he is reassigned to being the military advisor in a neighboring allied nation with little military power and a lack of civilian support of firearms. Will Major Baltzar be able to win the hearts and minds of both the soldiers and civilians in this country?

(Source: Bunch Comics, translated)