Gantz: Perfect Answer

Kei Kurono (Kazunari Ninomiya) and Masaru Kato (Kenichi Matsuyama) are forced back into the mysterious game of Gantz, where they must fight against extraterrestrials. However, after a prolonged period of violence, Masaru grows tired of fighting and refuses to continue. As Kei tries to persuade him to return, they are pursued by Kurofu Ichi's group, leading them on a perilous mission to acquire new players for the game.