The bond of friendship is the world's safeguard, a shared aspiration upheld even in a world where science solves all mysteries. Our story takes place in Oshima, where the carefree Akane Isshiki lives with her sister Momo and their inventive grandfather Kenjirou. From their home, they can see the game-changing creation of the Manifestation Engine on Blue Island, a source of boundless energy that has remedied a global crisis. The future seems bright and full of happiness, but a sudden threat emerges. The Alone, an unknown enemy, seeks to destroy the Manifestation Engine, and all attempts to stop them fail. However, a girl in a red Palette Suit possesses a hidden power and steps forward to confront the Alone. She is soon joined by others, united in their mission. Only through their fellowship can mankind be saved!