The Saga of Tanya the Evil, Vol. 14 (manga)

No one but “enemy combatants” in need of extermination remain in Arene, and the members of the 203rd are finally forced to carry out their merciless orders. As the Devil’s Protocol comes to fruition, resulting in mountains of corpses and a battlefield that indeed resembles Hell itself, what path will Lieutenant Grantz, tormented by his conscience, choose to take…?