A ghostly liquid called Fusion was born with the sole purpose of finding and absorbing great sources of power. Momozono Love, Aono Miki, Yamabuki Inori and Kazuraba Yuuya were on their way to a dance competition venue when they suddenly encountered Fusion. After being temporarily repelled by them, Fusion suddenly splits and chases after the fairies of the other PreCure teams in order to absorb them. However, his plan was thwarted by other Kamen Riders along with the PreCure teams. Throughout the story is the mysterious appearance of the new Kamen Rider Kabuto, who is said to be suffering from M.I.A. Will the Kamen Riders and Pretty Cure be able to stop Fusion? And what is the mystery behind Kabuto's appearances? We invite you to follow along.