Ayumu KATO

Ayumu Kato is a young boy who lost his parents in a car accident. He is now an orphan and lives on the streets. One day, he is approached by a strange man who offers him a chance to join an organization called Gantz. Gantz is a group of people who are given special suits and weapons and sent to fight aliens. Ayumu accepts the offer and joins Gantz. He quickly learns that the battles are dangerous and that he will have to fight for his life. However, he also learns that he is not alone and that he can rely on his fellow Gantz members to help him survive.