Naruto Uzumaki, Kakashi Hatake, Sakura Haruno, and Rock Lee are assigned to protect the prince of the Land of the Moon, Michiru, during his world trip; other escorts had been hired, but quit due to being treated poorly. The Land of the Moon is a very wealthy nation, so Michiru tends to buy whatever he wants, and has a very materialistic worldview. His Hikaru, also acts in much the same manner.

Action Kamen comes to Shinchan's world seeking help from Shinchan to defeat the Haigure Demon. Then the adventure of Shinchan and his family begins.