According to an ancient legend, mermaid's flesh can grant immortality if eaten. 500 years ago, Yuta unknowingly ate a piece of mermaid's flesh. For centuries, he travels across Japan, hoping to find a mermaid, thinking she may be able to make him a normal human again. When he finally finds one, he discovers that she and her companions have been raising a girl to be their food so they can eat her and take on her youthful looks. That is how mermaids stay young. Yuta kills the mermaids and rescues her, but she has already eaten some of the mermaid's flesh. Although he had to kill the mermaids, Yuta isn't too disappointed. Yuta's once lonely existence is now over, as he has found a companion in Mana. And Mana, who had been trapped in a small hut her whole life, finds delight in even the simplest of things. Together, Yuta and Mana attempt to seek out more mermaids, trying to become normal humans again.
Mermaid Forest has finished airing and it has 13 Episodes. It is also Known as: 高橋留美子劇場 人魚の森, Takahashi Rumiko Gekijou Ningyo no Mori TV
Genres: Mermaid , Japan , Asia , Earth , Fantasy , Violence , Horror , Drama , Mystery
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Top 8 Anime Like Mermaid Forest [2025 List]
- 8. Ajin
- 7. Petshop of Horrors
- 6. InuYasha
- 5. Kyokou Suiri
- 4. Night Walker: Mayonaka no Tantei
- 3. Fullmetal Alchemist: Brotherhood
- 2. Hi no Tori
- 1. 3x3 Eyes
8. Ajin
Mysterious immortal humans known as "Ajin" first appeared 17 years ago in Africa. Upon their discovery, they were labeled as a threat to mankind, as they might use their powers for evil and were incapable of being destroyed. Since then, whenever an Ajin is found within society, they are to be arrested and taken into custody immediately.
Studying hard to become a doctor, Kei Nagai is a high schooler who knows very little about Ajin, only having seen them appear in the news every now and then. Students are taught that these creatures are not considered to be human, but Kei doesn't pay much attention in class. As a result, his perilously little grasp on this subject proves to be completely irrelevant when he survives an accident that was supposed to claim his life, signaling his rebirth as an Ajin and the start of his days of torment. However, as he finds himself alone on the run from the entire world, Kei soon realizes that more of his species may be a lot closer than he thinks.
Ajin: Demi-Human has finished airing and it has 13 Episodes. It is also Known as: 亜人, Ajin
7. Petshop of Horrors
There is a very unique pet shop in Chinatown. You must follow the rules laid out by the shop's owner or beware because a lot can go wrong. There have been a string of inexplicable customer deaths, so Detective Orcot sets out to find out why.
Pet Shop of Horrors has finished airing and it has 4 Episodes. It is also Known as: Pet Shop of Horrors (ペットショップ・オブ・ホラーズ), Petshop of Horrors
6. InuYasha
Based on the Shogakukan award-winning manga of the same name, InuYasha follows Kagome Higurashi, a fifteen-year-old girl whose normal life ends when a demon drags her into a cursed well on the grounds of her family's Shinto shrine. Instead of hitting the bottom of the well, Kagome ends up 500 years in the past during Japan's violent Sengoku period with the demon's true target, a wish-granting jewel called the Shikon Jewel, reborn inside of her.
After a battle with a revived demon accidentally causes the sacred jewel to shatter, Kagome enlists the help of a young hybrid dog-demon/human named Inuyasha to help her collect the shards and prevent them from falling into the wrong hands. Joining Kagome and Inuyasha on their quest are the orphan fox-demon Shippo, the intelligent monk Miroku, and the lethal demon slayer Sango. Together, they must set aside their differences and work together to find the power granting shards spread across feudal Japan and deal with the threats that arise.
InuYasha has finished airing and it has 167 Episodes. It is also Known as: 犬夜叉, Inu Yasha
5. Kyokou Suiri
When she was still just a girl, Kotoko was kidnapped by yokai. These spirits made her into a powerful intermediary between the spirit and human worlds, but this power came at a price: an eye and a leg. Now, years later, she watches out for dangerous yokai while developing feelings for a young man named Kurou, who is also special: an incident with a yokai has given him healing powers. He's surprised when Kotoko asks him to team up to handle renegade yokai, preserving the thin line between reality and the supernatural.
In/Spectre has finished airing and it has 12 Episodes. It is also Known as: 虚構推理, Invented inference, Stranger Case
4. Night Walker: Mayonaka no Tantei
Shido Tatsuhiko is not only a private eye... he is also a vampire with no real memory of his past. Joined by Yayoi Matsunaga, a female government agent, Riho Yamazaki, an orphaned teenage girl working as his girl Friday and Guni, a little green imp, Shido must face demonic creatures known as Nightbreed. Meanwhile, Cain, the vampire who made him what he is now, is seeking him...
Nightwalker: The Midnight Detective has finished airing and it has 12 Episodes. It is also Known as: Night Walker -真夜中の探偵-, NightWalker: Eternal Darkness
3. Fullmetal Alchemist: Brotherhood
"In order for something to be obtained, something of equal value must be lost."
Alchemy is bound by this Law of Equivalent Exchange—something the young brothers Edward and Alphonse Elric only realize after attempting human transmutation: the one forbidden act of alchemy. They pay a terrible price for their transgression—Edward loses his left leg, Alphonse his physical body. It is only by the desperate sacrifice of Edward's right arm that he is able to affix Alphonse's soul to a suit of armor. Devastated and alone, it is the hope that they would both eventually return to their original bodies that gives Edward the inspiration to obtain metal limbs called "automail" and become a state alchemist, the Fullmetal Alchemist.
Three years of searching later, the brothers seek the Philosopher's Stone, a mythical relic that allows an alchemist to overcome the Law of Equivalent Exchange. Even with military allies Colonel Roy Mustang, Lieutenant Riza Hawkeye, and Lieutenant Colonel Maes Hughes on their side, the brothers find themselves caught up in a nationwide conspiracy that leads them not only to the true nature of the elusive Philosopher's Stone, but their country's murky history as well. In between finding a serial killer and racing against time, Edward and Alphonse must ask themselves if what they are doing will make them human again... or take away their humanity.
Fullmetal Alchemist: Brotherhood has finished airing and it has 64 Episodes. It is also Known as: Hagane no Renkinjutsushi: Fullmetal Alchemist, 鋼の錬金術師 FULLMETAL ALCHEMIST, Hagane no Renkinjutsushi (2009), Fullmetal Alchemist (2009), FMA, Hagane no Renkinjutsushi: Fullmetal Alchemist, Hagaren
2. Hi no Tori
Hi no Tori is a collection of stories that all have something in common. The Phoenix, whose blood is believed to give an eternal life to one who drinks it. Therefore many seek to kill it, but as the Phoenix of the tale, it's reborn from the ashes. Stories take place in future and the past, where humans fight with each other as always, and everyone is afraid to die. But still, every story teaches a lesson: Life is beginning of an eternity, an never-ending cycle.
Bird of Fire has finished airing and it has 13 Episodes. It is also Known as: 火の鳥, Hinotori, The Phoenix
1. 3x3 Eyes
3X3 Eyes is the story of a young man named Yakumo Fuuji, who through a strange series of events becomes the immortal slave of the last of a race of 3 Eyed demons. The demon absorbs his soul to save his life, making him immortal in the process. Now, he begins a journey with the female demon in an attempt to find a way of becoming human. Of course, there are many complications along the way, not the least of which being that the demon is a female with a split personality, one achingly cute and the other being no-nonsense destructive power, and the romances that develop between.
3x3 Eyes has finished airing and it has 4 Episodes. It is also Known as: 3×3EYES, Sazan Eyes, 3x3 Eyes: Immortals
