A seed of hope descends from the sky, landing atop Flappy's head and sprouting between his ears. Goyaan is sent after the seed of hope and uses a seed of despair to transform an Uzaina, causing big trouble for the Precure!

Hidden away on a remote mountaintop, the Kokoro Library struggles to attract many visitors. Nevertheless, it is the home of sisters Iina, Aruto, and Kokoro, who consider it their mission to keep the library running in their parents' stead. Kokoro has long dreamed of becoming a librarian at the library with the same name as her, and tries her best to keep up with her older sisters. Due to the lack of patrons, the girls mainly spend their time sipping tea, chatting, and reading. However, as the number of mysterious visitors progressively increases, Kokoro begins to learn about the strange history of Kokoro Library—a place where small miracles seem to blossom.

Earth has been conquered by the evil Illumidus Empire, with parallels drawn to the U.S. post World War II occupation of Japan. Captain Harlock with a group that will become his life long friends begin their fight against this tyranny visited upon the planet Earth, with no regard to the costs the struggle will have on them, caring only for the ideal of restoring freedom to the people of Earth.

The third season of Cinderella Girls Gekijou.