The Saga of Tanya the Evil, Vol. 12 (manga)

"After gaining a reputation as an excellent instructor from her exercises with the Northern Sea Fleet, Tanya gets saddled with the task of managing a huge batch of newbies on the Rhine lines alongside the 203rd. These green soldiers, lacking in both training and experience, need to be pruned down somehow--and what better place to do that than the most hellish battlefield this world has ever seen?"--Back cover.