Anpanman: Revive Banana Island!

Anpanman: Revive Banana Island! takes place on Banana Island, a tropical country in the south. The island's biggest festival, Banana Matsuri, is underway, but a sudden storm strikes, causing the entire banana crop to wither. Anpanman and his friends visit the island to help with the crisis, and they soon discover a water monster threatening to reclaim the land. Banna, a local resident, joins Anpanman in his quest to save the island.