Gantz

Gantz is a movie starring Kazunari Ninomiya, Kanata Hongô, and Ken'ichi Matsuyama. After trying to rescue a man on the subway tracks, two teens wake up in a room dominated by a mysterious black sphere that sends them to hunt down...
After trying to rescue a man on the subway tracks, two teens wake up in a room dominated by a mysterious black sphere that sends them to hunt down and kill aliens hiding on Earth.