Makoto Hamada, a high school student, has grown tired of the world plagued with the coronavirus. From social distancing to masked police to financial crises at his father's company, he declares that everyone should disappear. His sentiments lead him to an unexpected encounter with three other students - Teruo Yasui, Yasushi Tabata, and Akayaka Matsuoka - when their teacher instructs them to stay behind after class. Despite not being close with the trio, Hamada wonders what would occur between them. Could it be the call for human extinction?
