Miyu and Shota are a close couple who have been married for three years. - Shota's cousin, Atsushi, lost his wife in a traffic accident a year ago, and was so depressed that he quit the company he worked for. - Miyu, who was a caseworker, was worried and suggested changing the environment. - Atsushi, who has been living with Miyu and the others for a while, feels sexual desire when he comes into contact with the scent of the woman who lives under the same roof for the first time in a while. - Atsushi confronts Miyu with the painful truth surrounding his wife's death, and...