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

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