The Saga of Tanya the Evil, Vol. 22 (manga) — Carlo Zen

It's all storm and stress for the Free François Republic, as the Imperial Southern Continent Expeditionary Army Corps advances lightning-quick across the Republic's colonial holdouts. General Romel sends forth wave after wave of unconventional maneuvers, and it's not long before Tanya's 203rd Aerial Mage Battalion is part of the tide...!