Lesbian Tsubasa (Hachino Tsubasa) and Yui (Miho Yui) are always together. However, Yui decides to study abroad and becomes separated from Tsubasa. For the first time, they set out on a journey to a cottage where they confirmed each other's feelings and were tied together to create their final memories. As time goes by, loneliness pierces my chest. Sorrowful lesbians who love each other many times in the cottage so as not to forget each other.