Ninja Kids!!! Summer Mission Impossible

In this film, a powerful sword named "Heaven's Sword" has been stolen during a time of war among nations. This sword is believed to grant its wielder the ability to conquer the world, making it a highly sought-after item.

The story follows Rantaro and his classmates as they embark on their first real ninja mission to retrieve the stolen sword. Set in the vibrant world of Dokutake Castle, various ninjas compete for the sword, adding layers of action and comedy to the narrative. The film combines exciting action sequences with comedic elements, making it appealing to fans of both genres.