The Saga of Tanya the Evil, Vol. 25 (manga) — Carlo Zen

The 203rd Battalion, led by Tanya, returns to the Imperial Capital after its fierce campaign against the remnants of Francois in the desert. Given their astounding achievements in the South, a vacation is certain! Or so Tanya thought. Instead, what awaits her is a smiling Colonel Lergen, and Major Uger with a rather grim expression...