Fura-fura Bouken Flan-chan: Kaizoku Zaihou Tanken-tai

A pirate treasure from long ago is said to be buried somewhere, but no one has ever followed the legend. Then word spreads that it has been found by chance in a specific location. Flan and her friends grab shovels and head into the forest and across the plains — through bad guys, minor mischief, and everything in between — to find it.