Corpse Princess (2008)

S02E10 To the Other Side of Hell

As the city's Catastrophe unfolds, the hidden motives of the Seven Stars and the Traitor Monks come to light, resulting in an onslaught of Shikabane. The Corpse Princesses battle fiercely against the waves of undead, but their efforts falter when their Contract bond shatters after Hokuto breaks open a strange Casket.