『とらハ3』本編の4年後を舞台にしたシリーズ完結編。従来の恋愛物・擬似家族空間から離れて、御神流の剣戦アクション物に方向転換が図られる。それに伴い、全年齢対象となる。。The memories of the title are the recollections of a young woman’s older sister that killed herself mysteriously. The subtle traces of abstractness that inform the film show signs of experimentation by the film’s rookie director, full of dramatic careers in her middle-50s making her feature debut.。