Cross Channel

Gunjo Gakuen is a facility designed to gather and isolate those students who got a high score on an adaptation exam mandated by the government.After a failed summer vacation with other members of the school's broadcasting club, Taichi Kurosu and some of the other club members return to the city, only to find that all living creatures within it except for the club members have completely vanished. In order to confirm the status of the outside world, Taichi decides to gather other club members to help Misato Miyasumi, the president of the broadcasting club, who is trying to set up a broadcasting antenna to contact any possible survivors.