Gantz is a science fiction psychological thriller manga written and illustrated by Hiroya Oku. The story follows Kei Kurono, a high school student who is killed in a train accident and finds himself transported to a room with a mysterious black sphere called Gantz. Along with other deceased individuals, Kei is forced to participate in deadly missions to hunt down and kill aliens. As the characters face constant danger and moral dilemmas, Gantz delves into themes of survival, existentialism, and the consequences of violence.
