The Saga of Tanya the Evil, Vol. 15 (manga)

After surviving the hellish urban warfare in Arene, the members of the 203rd Battalion
are ordered to move on to their next assignment-in the rear! But the Republican Army
is waiting for them there and now has a bone to pick with the hated Devil of the Rhine.
The Republicans put up quite the fight in Arene, and the threat they pose now is
greater than ever before..