Young unemployed “gamer” Ryohei Arisu leaves home after another argument with his father and older brother, he meets two of his loyal friends – one skipping a job, the other is fired. Friends see a strange firework in the sky, after which they are covered by another reality.
They find themselves in a barren version of Tokyo and find out that they will have to take part in a life-and-death game, after which they are given a visa for a few days. Death awaits those who lose and drop out of the game, as well as those who refuse to extend their visa.