Top 1 in Top 10 extremely dark but attractive manga.
- Author: Hiroya Oku.
- Genre: Dark, Psychological, Action, Sci-Fi, Violent.
- Synopsis: Gantz is a story about two high school students, Kei Kurono and Masaru Kato, who are run over to death by an express train while trying to save the life of a drunk homeless man who has fallen onto the tracks. After their death, Kurono and Kato find themselves transported to an empty apartment in Tokyo, where they meet Joichiro Nishi, a veteran member of Gantz. The two of them find it impossible to leave the apartment and they are forced to become part of a "semi-posthumous" game in which they and several other people who have just died at the same time as the two of Forced to hunt and kill aliens with modern items, equipment and weapons provided by the Gantz organization.