The Saga of Tanya the Evil, Vol. 9 (light novel)

The Lergen Kampfgruppe has retired from the front lines at last, returningto the
capital to rest and resupply. There, all they see is stagnation and anoverwhelming
hunger for victory. And all too soon, the next impossiblemission is already slated,
involving more inventions of a certain madscientist. All that lays before Tanya is
darkness, but this is one quagmireeven she cannot escape!