Chiikawa the Movie: The Secret of the Mermaid Island (2026)
AnimationFamilyAdventureFantasy
Chiikawa and friends set off on a whimsical summer adventure to a mysterious island said to hide a long-lost mermaid secret. What starts as a fun getaway quickly turns into a heartwarming journey filled with surprises, gentle thrills, and adorable chaos. With sparkling seas, strange legends, and unforgettable encounters, the trio learns about courage, friendship, and the magic hidden in small moments.
Director:
Kei Oikawa
Writer:
Nagano
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Haruka Aoki as Chiikawa (voice) |
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Makoto Tanaka as Hachiware (voice) |
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Ari Ozawa as Usagi (voice) |
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Yuka Iguchi as Momonga (voice) |
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Takayuki Asai as Kurimanju (voice) |
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Yuma Uchida as Rakko (voice) |
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Miyuri Shimabukuro as Shisa (voice) |
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Momo Harumi as Furuhonya (voice) |
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Tsuguo Mogami as Shimajiro (voice) |
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Minori Suzuki as Siren (voice) |
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Momoka Terasawa as Hitoha (voice) |
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Sayumi Suzushiro as Futaba (voice) |
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Saeko Oki as Mermaid (voice) |
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Ayaka Nanase as Mermaid (voice) |
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Nozomi Nagumi as Mermaid (voice) |
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Chihiro Kawakami as Representative of the Islanders (voice) |
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Misato Matsuoka as Miso-pickled Islander (voice) |
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Nina Hanamiya as Miso-pickled Islander (voice) |
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Natsuno Kinose as Friendly 'bird' (voice) |
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Rinka Ishikawa as Gray Children / Islanders (voice) |
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Akina Houmoto as Gray Children / Islanders (voice) |
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Shu Uchida as Gray Children / Islanders (voice) |
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Izumi Umemoto as Gray Children / Islanders (voice) |
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Nanami Kusakari as Gray Children / Islanders (voice) |
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Akane Kumada as Gray Children / Islanders (voice) |
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Reika Koyama as Gray Children / Islanders (voice) |
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Riko Sakuraya as Gray Children / Islanders (voice) |
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Yûka Suzumi as Gray Children / Islanders (voice) |
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Nina Tamaki as Gray Children / Islanders (voice) |
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Reina Nagao as Gray Children / Islanders (voice) |
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Momo Hisaki as Gray Children / Islanders (voice) |
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Yurika Moriyama as Gray Children / Islanders (voice) |
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Asaki Yuikawa as Gray Children / Islanders (voice) |
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Moeko Yuki as Gray Children / Islanders (voice) |
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Tomokazu Sugita as Pochette Yoroi-san (voice) |
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Yoshitsugu Matsuoka as Ramen no Yoroi-San (voice) |
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Hiroki Touchi as Rōdō no Yoroi-san (voice) |
| Directing | Kei Oikawa | Director |
| Visual Effects | Tomoko Tsuji | Character Designer |
| Visual Effects | Ayaka Nagai | Color Designer |
| Camera | Masaharu Okazaki | Director of Photography |
| Sound | Masanori Tsuchiya | Sound Director |
| Art | Moe Masaki | Art Direction |
| Visual Effects | Yoshinori Nakano | CGI Director |
| Writing | Nagano | Original Story |
| Writing | Nagano | Screenplay |
| Sound | Shugo Tokumaru | Original Music Composer |
| Editing | Ayumu Takahashi | Editor |
| Sound | Chikara Uemizutaru | Original Music Composer |
| Sound | Hiromune Kurahashi | Sound Effects |
| Production | Yoko Matsuzaki | Executive Producer |
| Production | Taro Imafuku | Producer |
| Production | Naoto Shoji | Producer |
| Production | Masataka Komine | Producer |
| Production | Yoshihiro Furusawa | Executive Producer |
| Production | Yoichi Kawakami | Executive Producer |
| Art | Takumi Takatsuma | Prop Designer |
| Art | Masaki Hashimoto | Concept Artist |
| Visual Effects | Takumi Takatsuma | Key Animation |
| Visual Effects | Hideo Harigaya | Key Animation |
| Visual Effects | Kanta Fukumi | Key Animation |
| Visual Effects | Yuki Ito | Key Animation |
| Visual Effects | Odashi | Key Animation |
| Visual Effects | Hiroyuki Saita | Animation Director |
| Visual Effects | Aoi Maekawa | Animation Director |
| Visual Effects | Karen Nozawa | Animation Director |
| Visual Effects | Hiroaki Arai | Animation Director |
| Visual Effects | Yusuke Soen | Animation Director |
| Visual Effects | Mayumi Nakamura | Animation Director |
| Visual Effects | Saori Yanaga | Animation Director |
| Visual Effects | Motoki Ikebe | Animation Director |
| Visual Effects | Tomoko Tsuji | Animation Director |
| Visual Effects | Tomoko Tsuji | Supervising Animation Director |
| Visual Effects | Aoi Maekawa | Supervising Animation Director |
| Visual Effects | Nagano | Supervising Animation Director |
| Visual Effects | Yuji Fujinami | Key Animation |
| Visual Effects | Kim Seong-beom | Key Animation |
| Visual Effects | Keita Shimizu | Key Animation |
| Visual Effects | Ori | Key Animation |
| Visual Effects | Fumiyuki Uehara | Key Animation |
| Visual Effects | Ryunosuke Ozawa | Key Animation |
| Visual Effects | Road Sign | Key Animation |
| Visual Effects | Tae Inotsume | Key Animation |
| Visual Effects | Kurumi Ogawachi | Key Animation |
| Visual Effects | Tomoka Tamatani | Key Animation |
| Visual Effects | StudioXD | Key Animation |
| Visual Effects | Usahori | Key Animation |
| Visual Effects | Tsubura Taniguchi | Key Animation |
| Visual Effects | Kenro Tokuda | Key Animation |
| Visual Effects | Kurumi Ito | Key Animation |
| Visual Effects | Miki Komuro | Key Animation |
| Visual Effects | Hina Kobayashi | Key Animation |
| Visual Effects | Yoshinori Uetake | Key Animation |
| Visual Effects | Ryuken Toida | Key Animation |
| Visual Effects | Chang Yunhsin | Key Animation |
| Visual Effects | Li Wensheng | Key Animation |
| Visual Effects | Miyuki Matsumoto | Key Animation |
| Visual Effects | Tetsuya Takeuchi | Key Animation |
| Visual Effects | Natsuho Iwaida | Key Animation |
| Visual Effects | Tsuboshi | Key Animation |
| Visual Effects | Yuki Ito | Key Animation |
| Visual Effects | Ami Nagata | Key Animation |
| Visual Effects | Shiori Hosaka | Key Animation |
| Visual Effects | Marina Maki | Key Animation |
| Visual Effects | Kaku Naitou | Key Animation |
| Visual Effects | Yani Yang | Key Animation |
| Visual Effects | Kamille Areopagita | Key Animation |
| Visual Effects | Konro | Key Animation |
| Visual Effects | Shinga Nakamura | Key Animation |
| Visual Effects | Yoshiko Tsujimura | Key Animation |
| Visual Effects | Yasuo Muroi | Key Animation |
| Visual Effects | Hiroaki Arai | Key Animation |
| Visual Effects | Negi | Key Animation |
| Visual Effects | Saya Yokota | Key Animation |
| Visual Effects | Unaka Shinshu | Key Animation |
| Visual Effects | Chihching Lai | Key Animation |
| Visual Effects | Rina Fujii | Key Animation |
| Visual Effects | Awoi Ohtani | Key Animation |
| Visual Effects | Toya Oshima | Key Animation |
| Visual Effects | bs_kim | Key Animation |
| Visual Effects | Kohei Shimazaki | Key Animation |
| Visual Effects | Ren Onodera | Key Animation |
| Visual Effects | Ko Watani | Key Animation |
| Visual Effects | Mayumi Nakamura | Key Animation |
| Visual Effects | kamosuto | Key Animation |
| Visual Effects | Masumi Yoshida | Key Animation |
| Visual Effects | Nami Kato | Key Animation |
| Visual Effects | Natsumi Sakai | Key Animation |
| Visual Effects | Akane Tsukamoto | Key Animation |
| Visual Effects | Momoko Takahashi | Key Animation |
| Visual Effects | Sayuri Sakimoto | Key Animation |
| Visual Effects | Shi Zhongyu | Key Animation |
| Visual Effects | Tatsuki Narasawa | Key Animation |
| Visual Effects | Daichi Enomoto | Key Animation |
| Visual Effects | Tenohira | Key Animation |
| Visual Effects | Kyohei Ebata | Key Animation |
| Visual Effects | Kosuke Kato | Key Animation |
| Visual Effects | Tarō Ikegami | Key Animation |
| Visual Effects | Sakura Taguchi | Key Animation |
| Visual Effects | Kohei Yano | Key Animation |
| Visual Effects | Toshiyuki Sato | Key Animation |
| Visual Effects | Daiki Harashina | Key Animation |
| Visual Effects | Takeshi Maenami | Key Animation |
| Visual Effects | Rai Okiyoshi | Key Animation |
| Visual Effects | Shunpei Umemoto | Key Animation |
| Visual Effects | Renta Inoue | Key Animation |
| Visual Effects | Shun Murata | Key Animation |
| Visual Effects | Touma Koyama | Key Animation |
| Visual Effects | Haruto Murata | Key Animation |
| Visual Effects | Kyoko Niimura | Key Animation |
| Visual Effects | Shuuto Hanai | Key Animation |
| Visual Effects | Kaede Oono | Key Animation |
| Visual Effects | Kaon Ootsuka | Key Animation |
| Visual Effects | Ako Saeda | Key Animation |
| Visual Effects | Yuuka Kawanami | Key Animation |
| Visual Effects | Shihping Yang | Key Animation |
| Visual Effects | Nana Matsuda | Key Animation |
| Visual Effects | Yorihiro Tanimoto | Key Animation |
| Visual Effects | momofuji | Key Animation |
| Visual Effects | Masashi Ito | Key Animation |
| Visual Effects | Miya | Key Animation |
| Visual Effects | Tadahito Kiyosawa | Key Animation |
| Visual Effects | Azusa Oura | Key Animation |
| Visual Effects | Koki Ikeda | Key Animation |
| Visual Effects | Hokuto Ono | Key Animation |
| Visual Effects | Yutaka Kinutani | Key Animation |
| Visual Effects | humuu | Key Animation |
| Visual Effects | JDGE | Key Animation |
| Visual Effects | Shimauma | Key Animation |
| Visual Effects | Mofujiro | Key Animation |
| Visual Effects | Nekouya | Key Animation |
| Visual Effects | Higashino | Key Animation |
| Visual Effects | Hayato Torii | Key Animation |
| Visual Effects | Kakeru Isokawa | Key Animation |
| Visual Effects | Naoya Morotomi | Key Animation |
| Visual Effects | Kana Fujishiro | Key Animation |
| Visual Effects | Tu Yong-ce | Key Animation |
| Visual Effects | Yuichi Takahashi | Opening/Ending Animation |
