电影 心跳！光之美少女 小爱结婚了！！？连结未来希望的婚纱

One day, Ai's mother brings out a wedding dress, said to be a family heirloom passed down from her grandmother, "Sakadō Isuzu." Ai begins to imagine herself wearing the dress. Suddenly, a mysterious man named "Matthew" transports Ai to the past, where she finds her long-deceased grandmother and beloved dog "Marlo," but Rikka and Alice are nowhere to be seen—and no one around her seems to recognize them at all. To return to the real world, Ai sets out on a series of actions.