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

After gaining a reputation as an excellent instructor from her exercises with theNorthern Sea Fleet, Tanya gets saddled with the task of managing a huge batch of newbieson 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...?