Gantz

GANTZ

High schooler Kei Kurono dies trying to save a drunk man who fell onto subway tracks, alongside his childhood friend Masaru Kato. Instead of an afterlife, both wake in a bare Tokyo apartment with other recently deceased strangers and a black sphere called Gantz, which equips them with futuristic suits and weapons and orders them to hunt aliens hidden across the city. Survivors earn points; reaching one hundred buys a way out, a stronger weapon, or a teammate's revival.