Cute Girls in the Apocalypse

Hunted by mysterious girls called witches—or angels—the protagonist dies at their hands, only to awaken before the apocalypse even begins. Armed with knowledge of the coming doomsday, survival should be straightforward. But there's one problem: something is very, very wrong with their body. As the countdown to catastrophe ticks away, the truth behind these enigmatic hunters and a shocking transformation will rewrite everything about the end of the world.