Summer in Tokyo, too hot and sweaty. Ena Mizoguchi, who is spending last summer in high school, is standing at a crossroad, which comes to everybody. Since she got her own mourning dress, her foggy anxiety about death is getting clear, coming into focus. Then she will know, Death is not being after the life, the Life is being over the death. The spine starts to shine, which has been icon of the death to her. --Too silly to be serious, living your youth is.