While fighting monsters invaders, Kei Kurono saves his girlfriend on Reika. Though she objected, he faces monsters and chief dies instantly after the murders. Reika and comrades who stay alive are beamed again to their base. Elsewhere, Masaru Kato dies after making an attempt to rescue somebody from a knife. He wakes up in a small room with Reika and her comrades: Yoshikazu Suzuki, an previous man; Joichiro Nishi, a teen and one other unidentified man.Suzuki explains that previously every of them died and wakened in that room. They’re obliged to proceed battle towards waves of monsters. Suzuki can drill earlier than preliminary assertion, a black sphere that identifies it as “Gantz” publicizes that their subsequent mission is about to start. Unidentified man defiantly refuses to take part, and Nishi kills as a result of he believes it will have been a weak spot for them.As soon as they put them some black fits, the group is teleported to Osaka; Suzuki, confused, says that often have been despatched to Tokyo. When Kato insists get extra solutions, Nishi threatened to kill him until terminated. Suzuki then explains that the staff received two hours to kill all monsters within the metropolis – in the event that they fail the mission then will die. After they meet with different troopers, they discover that they’ve some weapons much more fascinating and unique than them and tells them Sukuzi troopers obtain factors for every monster killed.