Chiikawa The Movie: The Secret of Mermaid Island is getting ready to charm Indonesian audiences with an adorable yet mysterious adventure. The highly anticipated animated film is scheduled to hit Indonesian cinemas on August 28, 2026.

With the lovable Chiikawa characters already taking the internet by storm, fans are naturally curious about the story behind this big-screen adventure. From a mysterious island and a long-lost mermaid legend to plenty of heartwarming moments, the movie promises a fun summer journey filled with friendship, courage, and cute chaos.

What Is Chiikawa The Movie: The Secret of Mermaid Island About?

The story follows Chiikawa and friends as they embark on an imaginative summer adventure to a mysterious island.

But this is no ordinary vacation destination. According to legend, the island holds the secret of a long-lost mermaid.

What begins as an exciting getaway soon turns into an unexpected adventure filled with surprises, strange legends, hilarious situations, and heartwarming encounters.

As they journey across the sparkling sea and explore the island’s mysteries, Chiikawa, Hachiware, and Usagi find themselves facing experiences that test their courage and strengthen their friendship.

Along the way, they discover that magic can be found not only in extraordinary adventures, but also in the small moments they share with one another.

Meet the Adorable World of Chiikawa

For those who may be discovering Chiikawa for the first time, the franchise originated as a popular Japanese web manga created by illustrator Nagano.

The series was initially published online through X (formerly Twitter) in January 2020 and quickly developed a massive following in Japan and around the world.

The story centers on the tiny and adorable Chiikawa and a group of friends, including Hachiware, Usagi, Momonga, and Rakko.

Despite their cute appearances and seemingly simple lives, the characters regularly find themselves in unexpected situations and adventures. The combination of charming character designs, lighthearted storytelling, and surprisingly touching moments has helped Chiikawa become a global pop-culture phenomenon.

The franchise has since expanded beyond its original web manga format, including short-form animated series and now feature films.

A Summer Adventure Full of Mystery and Heart

At the heart of The Secret of Mermaid Island is a classic mystery wrapped in Chiikawa’s signature adorable style.

The mysterious island, the legends surrounding it, and the possibility of a mermaid make the journey feel like a fairytale adventure. However, the movie also maintains the warmth that has become one of Chiikawa’s biggest appeals.

Rather than focusing solely on the mystery, the story explores themes of friendship, bravery, and appreciating the little things in life.

Fans can expect a combination of gentle humor, adorable chaos, emotional moments, and magical discoveries as Chiikawa and his friends navigate their unusual summer vacation.

Who Directed the Film?

Chiikawa The Movie: The Secret of Mermaid Island is directed by Kei Oikawa, a filmmaker known for his work on anime titles including Uma Musume: Pretty Derby (2018) and Shine Post (2022).

With Oikawa at the helm, the film brings Chiikawa’s charming world to the big screen in a feature-length adventure.

A Major Box Office Success in Japan

The excitement surrounding the movie isn’t limited to Indonesia.

The film has already achieved impressive results in Japan since its release on July 24, 2026. According to the film’s official X account, Chiikawa The Movie: The Secret of Mermaid Island had surpassed 3.5 million viewers as of August 7, 2026.

The movie has also earned approximately ¥5 billion (around Rp564 billion) at the Japanese box office, placing it among the country’s major box-office hits of 2026.

For comparison, the current top-grossing Japanese film of the year is Detective Conan: Fallen Angel of the Highway, which has reportedly earned approximately ¥13.68 billion (around Rp1.54 trillion).

When Can You Watch Chiikawa The Movie in Indonesia?

Indonesian fans won’t have to wait much longer to join Chiikawa, Hachiware, and Usagi on their mysterious island adventure.

Chiikawa The Movie: The Secret of Mermaid Island is scheduled to premiere in Indonesian cinemas on:

📅 August 28, 2026

With its adorable characters, mysterious mermaid legend, and heartwarming story, the movie looks set to be a perfect choice for fans looking for a light, fun, and feel-good cinematic experience.

So, are you ready to set sail with Chiikawa and friends and uncover the secret of Mermaid Island? 🌊🧜‍♀️✨