List of Gantz characters Several characters wearing the black suits, including Nishi, Kurono, Kato and Kishimoto. The anime and manga series Gantz features a large number of fictional characters created by Hiroya Oku. The series takes place in a modern Japan, in which several creatures known as aliens start attacking citizens.. Kei Kishimoto is a high school student who enters the Gantz game following a failed suicide attempt driven by intense family pressure and feelings of inadequacy.
Kei Kurono (玄野 計, Kurono Kei) is the primary protagonist of the series. He is a reluctant hero and leader of the Tokyo Team. He has short brown hair and a lean body with an average height of a teenager. Kei bears a resemblance to Michael J. Fox; Oka has been quoted as saying that Back to the Future was a large influence on him as a youth. Throughout the first two arcs Kei is seen as a.. The Original Kei Kishimoto is the Kei Kishimoto that was left behind when she was copied and transported to the Tokyo Room to be trapped inside the Gantz game. Plot Tanaka Alien Mission Arc After the end of the Onion Alien Mission and in the prelude of the Tanaka Alien Mission it is revealed that the original Kei Kishimoto survived her suicide attempt and was transported to Yamanouchi Hospital.