The year is 1987 and Japan is just reaching the peak of its economic success. Eighteen-year old Yonosuke Yokomichi arrives in Tokyo from Nagasaki. Ordinary in every way possible, he lives in a suburb far from the excitement of the big city and commutes to a university in the center of Tokyo.
In a Japanese military hospital, a mysterious pandemic strikes and quickly kills seemingly at random. A group of unconnected individuals must come to terms with their own impending deaths, and the fragile absurdity of life.