Gantz Omnibus Vol 4

Hiroya Oku's Gantz is an adult science-fiction manga sensation, selling over fifteen million copies in Japan and generating an anime TV series and three feature films. Visually spectacular, shockingly violent, and singularly horrifying, Gantz is a relentless fever dream of consummate skill and fiendish imagination. This value-priced omnibus collection features 680 pages of havoc and horror!
Kei Kurono's work as a Gantz alien fighter is a hellish nightmare, but his life as a high-school student is looking up, with a new ladylove opening his heart. But when his beloved is threatened by a Gantz-obsessed schoolmate on a shooting rampage, Kei must face the murderous student without his Gantz suit for protection!
Collects Gantz individual volumes 10, 11, and 12.