Stephan is een gewone kantoormedewerker. In een wereld waar mensen en zeemeerminnen naast elkaar leven, ontmoet hij Chao, een prinses uit het koninkrijk van de zeemeerminnen. Hoe zal hun onwaarschijnlijke liefdesverhaal aflopen?
Nee, helaas is ChaO nog niet beschikbaar op Netflix in Nederland.
| Directing | Yasuhiro Aoki | Director |
| Visual Effects | 小島大和 | Character Designer |
| Art | 滝口比呂志 | Art Direction |
| Visual Effects | 小島大和 | Supervising Animation Director |
| Sound | 村松崇継 | Original Music Composer |
| Production | 田中栄子 | Producer |
| Sound | Koji Kasamatsu | Sound Director |
| Sound | 倖田來未 | Theme Song Performance |
| Writing | Saku Konohana | Screenplay |
| Art | Yasuhiro Aoki | Storyboard Artist |
| Art | 古屋勝悟 | Storyboard Artist |
| Visual Effects | 世良悠子 | Animation Director |
| Visual Effects | 鈴木かんち | Animation Director |
| Visual Effects | 小野田将人 | Animation Director |
| Visual Effects | 伊藤秀次 | Animation Director |
| Visual Effects | 古屋勝悟 | Animation Director |
| Visual Effects | 鈴木かんち | Key Animation |
| Visual Effects | アルト健 | Key Animation |
| Visual Effects | 松井祐子 | Key Animation |
| Visual Effects | 清水保行 | Key Animation |
| Visual Effects | 田口愛梨 | Key Animation |
| Visual Effects | 小池沙央里 | Key Animation |
| Visual Effects | 近藤圭一 | Key Animation |
| Visual Effects | 諸貫哲朗 | Key Animation |
| Visual Effects | 加藤雅之 | Key Animation |
| Visual Effects | 田中孝弘 | Key Animation |
| Visual Effects | 仁保知行 | Key Animation |
| Visual Effects | 西村祐希 | Key Animation |
| Visual Effects | 永山歩実 | Key Animation |
| Visual Effects | 小野田将人 | Key Animation |
| Visual Effects | 道解慎太郎 | Key Animation |
| Visual Effects | 横田匡史 | Key Animation |
| Visual Effects | シュウ浩嵩 | Key Animation |
| Visual Effects | 黄成希 | Key Animation |
| Visual Effects | 黒岩なつみ | Key Animation |
| Visual Effects | 山澤純玲 | Key Animation |
| Visual Effects | 久武伊織 | Key Animation |
| Visual Effects | 嶋田真恵 | Key Animation |
| Visual Effects | 渚美帆 | Key Animation |
| Visual Effects | 首藤武夫 | Key Animation |
| Visual Effects | 世良悠子 | Key Animation |
| Visual Effects | Mehdi Aouichaoui | Key Animation |
| Visual Effects | Chavdar Yordanov | Key Animation |
| Visual Effects | Benjamin Faure | Key Animation |
| Visual Effects | Oleg Kositsyn | Key Animation |
| Visual Effects | Ezequiel Torres | Key Animation |
| Visual Effects | cody | Key Animation |
| Visual Effects | じゅら | Key Animation |
| Visual Effects | Uno | Key Animation |
| Visual Effects | Hero | Key Animation |
| Visual Effects | KURO | Key Animation |
| Visual Effects | 伊藤秀次 | Key Animation |
| Visual Effects | 外丸達也 | Key Animation |
| Visual Effects | 江口寿志 | Key Animation |
| Visual Effects | 小島大和 | Key Animation |
| Visual Effects | 古屋勝悟 | Key Animation |
| Visual Effects | 近岡直 | Key Animation |
| Visual Effects | 森田千誉 | Key Animation |
| Visual Effects | 田村篤 | Key Animation |
| Visual Effects | 張魏林 | Key Animation |
| Visual Effects | 浅野直之 | Key Animation |
| Visual Effects | 斎藤敦史 | Key Animation |
| Visual Effects | 奥野治男 | Key Animation |
| Visual Effects | 矢口弘子 | Key Animation |
| Visual Effects | 平山貴章 | Key Animation |
| Visual Effects | 菊地陽子 | Key Animation |
| Visual Effects | 加来由加里 | Key Animation |
| Visual Effects | 菊池ともゑ | Key Animation |
| Visual Effects | 光岡美来 | Key Animation |
| Visual Effects | 永木歩実 | Key Animation |
| Visual Effects | 篠原天球馬 | Key Animation |
| Visual Effects | 坂口蒼星 | Key Animation |
| Visual Effects | 青木優衣 | Key Animation |
| Visual Effects | 山本早苗 | Key Animation |
| Visual Effects | 西野美沙樹 | Key Animation |
| Visual Effects | Kanako Takeuchi | Key Animation |
| Visual Effects | 永井里奈 | Key Animation |
