Gantz manga volume 1 contains volumes 1-3 in an omnibus format and features story and art by Hiroya Oku.

Tokyo teens Kei and Masaru are struck dead by a subway train but awaken in a room with an ominous black orb that gives them weapons, suits…and orders. Fighting and endless stream of bizarre alien monstrosities in a deadly game, will they win their freedom or die for the final time?

Gantz manga volume 2 contains volumes 4-6 in an omnibus format and features story and art by Hiroya Oku.

Ordinary Tokyo citizens resurrected from death by a mysterious black orb, the Gantz team is conscripted to fight bizarre, deadly aliens in a game that promises release from the game…or oblivion. But the game’s purpose is unclear, and the stakes are far greater than survival!

Gantz manga volume 3 contains volumes 7-9 in an omnibus format and features story and art by Hiroya Oku.

The stakes rise for the con- scripted Gantz team as they face an increasingly deadly array of bizarre alien adversaries. But while the team remain in the dark about the nature of the lethal ''game'' they're forced to play, the consequences of losing couldn't be more crystal clear!