The narrative opens on the day preceding the graduation ceremony. Five middle school girls are each absorbed in their own daily realities. Following a sudden incident, these girls are transported to a fantasy world where they encounter one another. There, they discover the looming crisis threatening this realm. To avert this disaster, the five must cooperate and unite their five hearts into one through dance. However, the girls are unable to develop affection for the world, nor can they express their true feelings to each other, preventing their hearts from joining. The deadline is rapidly approaching. Will the dance of the five girls succeed in saving the world? And will they manage to graduate?