Completed
“Teen Ruka befriends ocean-raised brothers Umi and Sora, exploring undersea wonders before a global sea-creature festival.”
Children of the Sea
海獣の子供
7.2
3,632 rank · 125,418 viewers · 963 favorites
Award Winning
Drama
Mystery
Supernatural
Seinen
Watch on
Netflix
Would You Love or Hate This?
AI-powered analysis tailored to your taste
Based on your preference for character-driven stories with layered emotional arcs, this title's exploration of identity and belonging would deeply resonate. The pacing mirrors series you've rated highly, and its thematic depth aligns with your appreciation for nuanced storytelling...
However, the slow initial episodes might test your patience given your history of dropping shows that don't hook you early. The art style shift in the middle arc could also be a concern...
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Honest pros & cons
Based on your library
Synopsis
Teen Ruka befriends ocean-raised brothers Umi and Sora, exploring undersea wonders before a global sea-creature festival.
Ruka Azumi's ordinary summer vacation revolves around spending all her time on the handball court to avoid her only housemate, her alcoholic mother. When an incident at practice leads to Ruka's exclusion from the handball team, she is forced to find other outlets to enjoy herself, eventually winding up at the aquarium where her father works. There, she meets Umi, a mysterious boy raised by dugongs who is being kept at the aquarium in order to research his strange water-dependent body. Ruka and Umi become fast friends, and the pair is soon joined by Sora, Umi's brother who also has an unusual relationship with the ocean. Together, the trio explore a dazzling undersea world while learning about a peculiar "festival" that all sea creatures around the world are preparing for.
What people say
Community consensus
Derived from 47 sampled reviews
7.1
/10
What 47 viewers settled on.
90%
recommend
Score distribution
median 7
mode 8
σ 1.93
Agreement
Polarized
σ 1.93 · split reception
The polarity gap
5.7 pts
Recommenders 8.4 · others 2.7
Yes
No
Score over time
↓ 1.94
Running avg · Jun 2019 → Sep 2025
Snap verdicts
· shortest highly-rated reviews
- 7 “The animation and musc were wonderfully done but I gotta say the characters and story was a let down. We didn't learn a lot about the characters and many of them seemed one dimensional as the movie...”
- 9 “Breathtaking and seamless animation. I'm glad they translated Igarashi Daisuke's art to the big screen pretty well. The art and the soundtrack is absolutely beautiful and I'm also a sucker for...”
- 8 “I'm aesthetically confused about every part of this movie. It's confusing and I can't really grasp the storyline of it. Everything's a mystery. But that's partly why I like it. The story progresses...”
Verbosity
Short · 34%
Medium · 47%
Long · 19%
Watch Order & Related
Explore the Children of the Sea universe
Cast
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See all credits →Production slate
A Movie Production
Studio 4°C.- Format 1 × 111′ eps × min
- Total runtime 1h 51m all episodes
- Aired Jun 2019 – ongoing
- Source Movie media type
- Rated PG 13 - Teens 13 or older
- Ref. BS-14193 catalog
Licensed by
- GKIDS Licensor