This is the story of a boy who once fantasized about committing suicide in the past and a girl who was already suffering from a fatal terminal illness. For teenagers, life has no value. For girls, life is full of meaning. One is physically extremely healthy, but psychologically he despairs of the world and deliberately moves toward loneliness. The other one has psychological hope for the world, but is gradually dying physically. When these two extreme people meet, how will their world change?