On their last day of summer, four high-school girls confront sex, violence and their uncertain future as they struggle to reconcile a rebellious youth with impending adulthood.。福士苍汰饰演幼年丧母,之后成为父亲再婚对象的子女“花卷みこと”,他暗恋着住在同一个屋檐下的义姐“花卷沙罗”,却看到她1年后将要死亡的的命运。讲述了能看到人死亡命运的急救救生员与余命一年的义姐之间禁断的爱情故事。。