This is an absurd society, where everything is managed by a large-scale intelligent network called the "central system"; every citizen living here must have a chip installed in the brain at birth, which is called to expand brain capacity and facilitate government management, but behind it lies an invisible darkness... The protagonist is an ordinary high school sophomore. In order to prepare for the college entrance examination, the school ordered a listening material, but the ordinary English listening material triggered an incredible game... "Game"? Just a game? A life and death game for 45 students in a class... All the answers will be revealed soon.