It's the Sea! Let's Set Sail! Niko Niko, Pun

The film is an adaptation of the popular "Niko Niko, Pun" series, which started as part of NHK's educational programming in the 1980s. In this animated feature, Porori, along with her friends Jajamaru and Pikkoro, embarks on an adventure to find her new baby brother. Their journey leads them to an island filled with pirates, adding an exciting twist to their quest.

The voice cast includes Kaneta Kimotsuki, Keiko Yokozawa, and Ryusei Nakao, among others, who bring the characters to life. Collectors of animation and family films may find interest in this unique blend of adventure and educational storytelling from Japan's rich animation history. The film's connection to its puppet show origins adds a layer of nostalgia for fans of the original series.