Chiikawa the Movie: The Secret of the Mermaid Island

The Elric brothers’ long and winding journey comes to a close in this epic finale, where they must face off against an unworldly, nationwide threat.

Hiroshi and Misae have never been to a honeymoon trip to a foreign country. One day, Misae discovered an inexpensive and family-friendly holiday package to Australia and the Nohara family decided to make it their first honeymoon vacation. Hiroshi gets kidnapped upon arrival to Australia, leaving Shinnosuke, Misae and others on a dangerous journey. It turns out that Hiroshi is the key to a secret treasure. The remaining members of the Nohara Family must rescue Hiroshi, while a mysterious masked man and treasure hunters from all over the world are after him. The struggle is among three different groups in this action-filled treasure hunting adventure.

Shizuku lives a simple life, dominated by her love for stories and writing. One day she notices that all the library books she has have been previously checked out by the same person: "Seiji Amasawa."

One fateful summer, a group of elementary school kids set adrift on an abandoned apartment building must look within themselves to find a way back home.