*Warning: This article contains spoilers for the story of Chiikawa.

The Chiikawa franchise, created by Nagano, has captured hearts with its beloved manga and anime. Its charming cast of characters and one-of-a-kind atmosphere continue to captivate fans far and wide.

Beyond their heartwarming everyday interactions, the characters take on jobs to earn rewards, challenge themselves with exams, and occasionally find themselves caught up in something a little more unsettling. It's that deeper, more unforgiving side of the world that keeps so many readers hooked alongside the undeniable cuteness.

The series made its theatrical debut with Chiikawa: The Secret of Mermaid Island, the franchise’s first-ever film. The much-loved "Siren Arc" from the original manga has finally graced the big screen, with excited fans flocking to see it.

The story begins when Usagi shows up with a flyer stuck to their face while Chiikawa and Hachiware are relaxing in the plaza. The flyer promises a hundred times the usual reward for easy monster hunting on a remote island… Suspicious, to say the least. But the promise of limited-edition island ramen and sweets seals the deal, and the group sets off for the island.

There, they encounter the Siren, and as the story unfolds, the mystery surrounding them and the secrets hidden within the island slowly come to light, leading to twists no one could have seen coming...

This feature spotlights fan art of Siren and the mermaids from Chiikawa, from their endearing, playful sides to their more eerie and formidable presence.

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Spoiler warning: This article contains spoilers for some stories and characters from Chiikawa.

The Chiikawa franchise, created by Nagano, has captured hearts with its beloved manga and anime. Its charming cast of characters and one-of-a-kind atmosphere continue to captivate fans far and wide.

On July 24th, 2026, the series made its theatrical debut with Chiikawa: The Secret of Mermaid Island, the franchise’s first-ever film. The much-loved "Siren Arc" from the original manga has finally graced the big screen, with excited fans flocking to see it.

This feature brings together a wide range of fan art, from illustrations that capture the atmosphere of the film to pieces bursting with the everyday charm and cuteness that make Chiikawa so special.

Embark on an adventure through this collection of fan art of Chiikawa.

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The Chiikawa franchise, created by Nagano, has captured hearts with its beloved manga and anime. Its charming cast of characters and one-of-a-kind atmosphere continue to captivate fans far and wide, and with the first theatrical anime film, Chiikawa: The Secret of Mermaid Island, set to open on July 24th, 2026, excitement is only growing.

On pixiv, fans have been dreaming up crossover works that bring Chiikawa, Hachiware, Usagi, and the rest of the gang face-to-face with characters from entirely different worlds.

Discover new possibilities with this collection of fan works featuring crossovers between Chiikawa and other franchises.

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The beloved manga Chiikawa by Nagano has charmed fans with its blend of sweet, funny, and bittersweet moments. Its adorable, quirky characters continue to steal hearts, both in the manga and the hit anime adaptation.

Volume 8, featuring the series’s first full-length storyline, the Island Arc, arrives on November 21st, 2025. Previews posted on X have already garnered a lot of buzz, especially around a new character introduced in the arc, Siren.

Dive into this collection of fan art of Siren from Chiikawa!

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The Chiikawa franchise, created by Nagano, has captured hearts with its beloved manga, anime, and irresistibly charming characters. Chiikawa, Hachiware, Usagi, and all their friends continue to delight fans as part of this wildly popular series.

On pixiv, you’ll find countless fan artworks that take these characters beyond their original world, bringing them face to face with characters from entirely different universes in fun and imaginative crossover illustrations.

Join Chiikawa and friends as they venture into new worlds with this collection of illustrations.

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