The Blue Danube (2021)
Original title: きまじめ楽隊のぼんやり戦争
The Blue Danube is a 2021 Japanese-language drama movie directed by Akira Ikeda, with a running time of 1h 40m. It stars Kou Maehara, Hiroki Konno and Hiroki Nakajima.
The soldiers no longer know why they are at war, and when it even started. Daily and dutifully they march to the river and shoot at the opposite village from 9 to 5, orders are orders after all. They’ve done so for decades. When private Tsuyuki is transferred to the marching band, people keep asking him what use music is in times of war.