Gantz 334 Irreversible Lives Feb 18,11;Gantz tells the story of Kei Kurono and Masaru Kato, both of whom died in a train accident and become part of a semiposthumous "game" in which they and several other recently deceased people are forced to hunt down and kill aliens armed with Hiroya Oku's Gantz is a manga quite unlike any other The violence is over the top, the art only gets better & better, and the story is divided into three very distinct Phases, all of varying quality The series is at its best when it's embracing its initial premise
Gantz Osaka V2 By Lunatikaa On Deviantart