Ningyo no Mori

Mermaid Forest

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Alternative Titles

Synonyms: Mermaid Forest OVA, Rumic World 4
Japanese: 人魚の森
English: Mermaid Forest
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Type: OVA
Episodes: 1
Status: Finished Airing
Aired: Aug 16, 1991
Licensors: Central Park Media
Studios: Pastel
Source: Manga
Genres: DramaDrama, FantasyFantasy, HorrorHorror, MysteryMystery
Demographic: ShounenShounen
Duration: 55 min.
Rating: R - 17+ (violence & profanity)


Score: 6.701 (scored by 32443,244 users)
1 indicates a weighted score.
Ranked: #57332
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #7067
Members: 7,777
Favorites: 7


Ranked #5733Popularity #7067Members 7,777
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Episodes: /1


It is said that consuming the flesh of a mermaid confers immortality. This certainly proved to be the case for the 500-year-old Yuta and his friend Mana. However, most people who try to become immortal either die or transform into monsters.

Fifty-five years ago, Towa Kannagi was given mermaid blood by her sister, Sawa, in order to cure a fatal illness. Now, Towa maintains her youthful appearance, save her white hair and beastly arm. For years she has dreamed of restoring her body, resorting to blood transfusions from youthful corpses aided by the local doctor, Shiina.

Mana, mistaken for dead by Shiina, is brought in to have her blood used by Towa. When she discovers that Mana is alive, what lengths will Towa go to in order to restore herself? Will Yuta be able to save Mana in time?

[Written by MAL Rewrite]


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Related Anime

Characters & Voice Actors


Takayama, Minami


Yamadera, Kouichi

Kannagi, Towa

Doi, Mika


Saikachi, Ryuuji

Kannagi, Sawa

Konoshima, Aiko


Mizutani, Takaya
Takahashi, Rumiko
Original Creator
Kawai, Kenji
Sasaki, Shirou


Opening Theme

Apple Music
Amazon Music
Youtube Music
"Drift Of Time" by Junko Hirotani

Ending Theme

"Mori o Nukete: Born to Love You (森をぬけて-Born to love you)" by Eri Fukatsu


Apr 28, 2015
If you're talking about the horror factor of 3 of the 5 Rumic world ova's ( Maris the choujo and Fire tripper not included) than Mermaid forest is the best one that give's the scare, an raw uncut amethyst, and using a story from an ancient folklore about mermaids has been adapted as a very supersticious subject among pirates and other seamen since the 17th century, it really worked out quite well to use the story 'unlike the sequel ' wich i started to fucking hate!!!!!

The animation looked pleased for its time, tight handdrawn technique without too much pencil overshadowing and a more ...
Jan 9, 2019
Mixed Feelings
Rumiko Takahashi's dramatic anime are just a tiny drop in the bucket compared to her much more well-known and more popular humor series. And that's a bit of a shame, because in my opinion her drama stories are more interesting. If you've seen any ten episodes of Ranma 1/2 or Urusei Yatsura, there's no need to go further because you've already seen every joke she knows. But there's a wider range when it comes to her non-humor stories. Like Mermaid Forest.

Except this is one of her more flawed efforts - it has its good points, and yet ...
Jan 24, 2024
Mixed Feelings
The concept of eating mermaids to gain eternal life is not one that I am unfamiliar with. I've seen it in other anime such as the kurura mao series, but this is two whole movies versus one episode of a miniseries. While the animation is very basic and bland, and the characters are flat and forgettable, the story did keep me wanting to watch the show the whole way through.

As I always say, when a show is boring I wish for more action just to spice things up a little. I'd say this movie was about half and half with the action and such. ...

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Poll: Mermaid Forest OVA Episode 1 Discussion
Ulquiorra - Aug 1, 2016
10 repliesby Dekom »»
Jan 6, 4:50 PM