Shuhei Amamiya transfers to Moriwaki Elementary filled with hope and ambition. But it doesn't take long before he gets picked on by the class bullies, and gets involved in a dare to play the mysterious piano in the forest. Igniting his meeting with an equally enigmatic child, Kai Ichinose, who seems to be the only one capable getting sound out of the thought to be broken piano.
Arale and company arrive at a nice location for a picnic. They soon discover a beautiful stone with strange powers. Before they know it, a dangerous pirate and his mysterious ship invades their peace and steals the stone. Now it is up to them to retrieve the stone before it is used by evil hands.
Anpanman and friends help fraidy lion Buruburu locate some treasure.
