In a battle against the Desert Apostles threatening to engulf the world in desertification, Cure Blossom, Cure Marine, and Cure Sunshine stand together. However, their newest foe, Dark Pretty Cure, emerges. As the novel delves into Cure Moonlight's past struggles, the question looms: can Tsukikage Yuri reclaim her transformation powers and don the mantle of Cure Moonlight once more?