Tropical-Rouge! Precure Petit: Dive in! Collab♡Dance Party!

Manatsu and her friends receive an invitation to a dance party from the Healin' Good♥Pretty Cure team, however it starts in just three minutes. They head out for "Dancing Island" with great haste, but unexpected things occur. Will the Tropical-Rouge! Pretty Cure team safely arrive at the dance grounds and Tropica-shine while dancing with the Healin' Good team?