The Drifting Classroom, Vol. 5 — Kazuo Umezu

The students flee from man-eating insects, but they can't run from a deadly plague. As the situation becomes more desperate, the children arm themselves, and the school erupts into an orgy of violence. Can Sho end the savagery, or is it all he can do just to survive? Meanwhile, out in the wasteland, the shifting sands uncover a buried secret from the past...