Synopsis
Kurono, who is looking for a job, gets in an accident as he is reunited with his childhood friend Kato and ends up losing his life. At that moment, the two are transported to a room with a mysterious black sphere called “Gantz.” They are told by Gantz to fight against unknown enemies. They fight for their lives without knowing the reason. They can only free themselves from the hellish surroundings by receiving 100 points from Gantz.