The Saga of Tanya the Evil, Vol. 15 (Manga) - Carlo Zen

After surviving the hellish urban warfare in Arene, the members of the 203rd Battalion are ordered to move on to their next assignment--defending a tactical withdrawal of the entire army from the rear guard! They'll be up against the brunt of the Republican Army, which 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 now pose is greater than ever before...