"学園黙示録 High School of the Dead" ("Gakuen Mokushiroku High School of the Dead", "Academy Apocalypse")
Written by the late Sato Daisuke and illustrated by Satou Shouji.
A manga about a world-wide plague that transforms most of the population into zombie-like creatures, constantly referred to as "them."
The story revolves around a group of high school students and the school nurse and their pursuit of salvation from the outbreak of "them."