Takahashi Rumiko Gekijou Ningyo no Mori

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.

PV EpisodesTiles view / List view

Main EpisodesTiles view / List view

EP1 - Mermaid Does Not Smile

In a mountain village from Setouchi region, Mana has just turned fifteen. She is cared for and pampered by Baba, an old woman who keeps her shackled in bed. The village is inhabited by identical old and young women who are all mermaids in human form. Meanwhile, Yuta, a young man arrives, looking for a mermaid. He is actually a 500 year old immortal human who became so after eating mermaid flesh. One of the women is chosen by the others to become a mermaid by entering the ocean and she is then sacrificed. Baba feeds her flesh to Mana to make her an immortal human whose flesh will rejuvenate the old women. Yuta learns of their plan and escapes with Mana after explaining her fate. The women try to stop Yuta and Mana from escaping, but they are caught in flooding sea water and revert to their mermaid forms. Baba, who is an immortal human, not a mermaid, decides to stay with the mermaids who are unable to take human form again. As Yuta leaves with Mana, he tells her that life as an immortal isn't all bad, although he still hopes to become mortal again.
EP2 - Village of the Fighting Fish (Part I)

In a flashback, Yuta recalls meeting Rin, the daughter of the pirate chief of Toba island. Rin's father was gravely ill, so Rin led raiding parties on passing ships, demanding a tenth of their cargo as a toll and sparing the crews. Rin buried Yuta after his body washed ashore following a violent storm. However, Yuta revived and explained that he drowned while mermaid hunting on behalf of Isago, the wife of the Sakagami Island chief who were rivals to Toba Islanders. Isago convinced the chief to use his men to hunt mermaids and Yuta was hired with some other men in a nearby port for the hunt. For a time, Yuta lived and worked with the Toba islanders. One day, Isago saw Yuta and Rin in port. Surprised to see Yuta alive, Isago realized that he was immortal and believed he had access to mermaid flesh. Isago followed them back to Toba and stabbed Rin's father in an attempt to force Yuta into revealing the location of mermaid flesh and stop him from dying. In angry retaliation, Rin slew Isago.
EP3 - Village of the Fighting Fish (Part II)

Yuta's recollections of his past continue. Yuta and Rin took a fishing boat and captured a mermaid to save Rin's father. However, the Sakagami islanders followed them and after killing both the mermaid and Yuta, they took Rin to Sakagami. When Rin saw Isago there alive, she realized that Isago was immortal. Isago revealed that she has been pregnant for three years by her previous husband, whom the Sakagami islanders killed. She needed mermaid flesh so she could finally give birth. Meanwhile, Yuta revived and returned to save Rin. The chief and his men alternately fought Yuta and Rin while they ate the mermaid flesh. However, many were poisoned by the mermaid flesh and the survivors, including the chief, became Deformed Ones. Isago told the chief that she too was a mermaid and leaped off a cliff into the ocean. Yuta and Rin thought Isago did so in desperation, but Isago changed into her mermaid form and swam away, trailed by two smaller forms. On Toba, Rin's father recovers from his wound without eating mermaid flesh. Back in the present, Mana asks Yuta how far does the ocean go.
EP4 - Mermaid Forest (Part I)

Mana is accidentally killed by a truck when she runs onto the road. Old Doctor Shiina tells the police and Yuta that she survived and wandered away, however he takes her corpse to the house of an old woman named Sawa who lives with a young woman called Towa. Shiina prepares to remove Mana's forearm to replace the deformed arm of Towa, but as he begins, Mana revives. Yuta realizes that Shiina lied and tracks him to Sawa's house in Mermaid's Forest, where local legend says a mermaid is buried. Towa commands a Deformed dog to attack and kill Yuta. When Yuta revives, he finds himself chained in a cell in the basement. Towa kills Mana, planning to have Shiina transplant her head onto Mana's body. Meanwhile, Sawa frees Yuta and reveals that she and Towa are identical twins, but when they were young, Sawa gave Towa medicine made of mermaid blood to save her from a terminal illness. The medicine made her ageless, but turned her hand into a Deformed claw and her hair white. Rather than admit his daughter was partially Deformed, their father had told everyone that Towa had died and confined her to the cell in the basement until his death.
EP5 - Mermaid Forest (Part II)

To save Mana's life, Sawa takes Towa to the mermaid's tomb. Yuta follows and warns Towa that eating mermaid flesh may completely transform her into a Deformed One. Towa says immortality or transformation makes no difference, and tries to force Sawa to eat a piece of mermaid flesh. She explains that when they were young, Sawa desired immortality, but was too afraid to try it herself and experimented on Towa, her identical twin. Towa developed a Deformed hand and remained eternally youthful instead. While Towa was forced to live in confinement, Sawa lived a full life, marrying and having a child. Towa tries to make Sawa eat the mermaid flesh, to become immortal as an old woman or a monster, however Sawa dies of a heart attack, denying Towa her revenge. Towa instructs the others to burn the tomb, the house, and everything in them, including herself. As they watch the fire burn, Shiina reveals that he had tried to convince Towa to elope with him when he was young, but Towa refused, remaining to exact revenge on her sister. Later, Mana reassures Yuta that if they were separated, she would eternally search for him.
EP6 - The End of the Dream

Yuta and Mana fall off a cliff while chasing a butterfly and both die. A heavily bandaged man, called Big Eyes by nearby villagers, carries Mana to his cave. An old hunter from the village finds Yuta, but Yuta revives during his burial rites. Big Eyes tells Mana that 40 years earlier he lived in a fishing village and ate mermaid flesh. He blacked out, and upon regaining his senses, discovered everyone in his village had been killed. He ran into the mountains and lived alone ever since. Yuta and the hunter find Big Eyes who flees deep into the cave with Mana. There, Mana stumbles upon the skeletons of villagers that Big Eyes has eaten and Big Eyes explains that he still blacks out. The hunter shoots Big Eyes who goes berserk and runs away. Yuta catches and kills Big Eyes. Later, Mana ponders that there are all sorts of Deformed Ones, all sorts of mermaids, and all sorts of Yutas.
EP7 - Bone Princess

While fishing with Mana, Yuta has a flashback to 1600, the first year of the Tokugawa shogunate, when he was 120 years old. He recalls an apparently 12-year-old immortal girl called Natsume who works with an old man, whom she calls Pa, who purports to sell mermaid flesh, but it is only fish. An itinerant monk attempts to kill Natsume and cuts off her left arm. Yuta rescues Natsume and carries her back to Pa, who reattaches her severed arm. Later, the monk tells Yuta that after Natsume died, he used a piece of mermaid liver to resurrect her for Pa. The monk has decided to end Natsume's existence because of her need to eat fresh liver to survive, but Pa escapes with her. Yuta doubts destroying Natsume is the right thing to do and offers to take her with him, but the monk attacks Natsume and removes the mermaid liver. When Pa sees what the monk has done, he picks her up and jumps off a cliff. Yuta finds Natsume still alive at the base of the cliff, but she dies in his arms and turns back into bones.
EP8 - The Last Face (Part I)

Yuta and Mana meet Nanao, a 10-year-old boy carrying a cinerary box who lives with his mother and grandmother. Nanao's grandmother arranges for him to be kidnapped but he escapes and uses family medicine to heal his wounds from the escape. Yuta and Mana take Nanao home, where Nanao's grandmother shows Yuta and Mana a photograph of Nanao's mother, who does not appear be the woman Nanao calls Mother. Alone, Nanao's mother opens the cinerary box, revealing the skin of a scarred woman's face. The next day Mana and Nanao see Nanao's mother enter the cellar, but later the woman from the photo emerges with a bandage on one side of her face. In the cellar, Mana discovers surgical instruments and the skin from the face of Nanao's mother. Meanwhile, Yuta follows Nanao's kidnapper who meets the woman with the bandage covering a scar. Yuta overhears her call him Nanao and him call her Mother but she pushes him over a cliff. The older Nanao explains to Yuta that, 25 years ago, his mother ate mermaid flesh and then eight years ago, his mother, who hadn't aged in 25 years, kidnapped his son who is also called Nanao.
EP9 - The Last Face (Part II)

Mana discovers the face of Nanao's mother in the cinerary box in the basement. She is suddenly attacked by the scarred woman and manages to escape, but is wounded by an axe. The woman then painfully removes her own face and attaches the one from the box and reappears as Nanao's mother. Yuta concludes that she has eaten mermaid flesh, especially after Mana opens the box and sees the scarred face inside. Yuta realizes that she is the same woman. The woman explains that 25 years earlier, her son Nanao left her to live with his father so she tried to feed him mermaid flesh to stop him ageing, but his grandmother took him to his father. When Nanao had a son, she abducted the boy and brought him up as her own son. She used the face of a dead woman to hide her face which had become scarred from the poison within the mermaid flesh. Desperately she grabs Nanao and tries to force him to eat the flesh, but Yuta stops her. Realizing that she has lost, she leaves, and later the body of a woman is found in a burned-out storehouse.
EP10 - Promised Tomorrow (Part I)

Yuta takes Mana to visit the grave of the Kogure family grave where 60 years earlier, he knew a kind girl named Nae. Mana then encounters a girl being chases by a man with dogs and intervenes to save her. The girl kills the man with a rock, but Mana is blamed and his associates kill and bury her. Yuta searches for Mana and encounters Sokichi, an old man who was Nae's servant as a boy who says that everyone believed that Nae had left with Yuta, abandoning her fiancee Eijiro. Meanwhile, Mana revives and discovers that Eijiro has kept Nae confined on his estate, looking perpetually young, but without any knowledge of her past. Meanwhile, Yuta is captured by Eijiro's men and knocked unconscious and he calls how Nae told him how a travelling nun left mermaid ashes which Nae used to create the Red Valley, a field of perennially blooming red flowers. When Yuta awakes, Eijiro tells him that he found Nae's body in the Red Valley, and Yuta tells him another version of the story of mermaid ashes in which a villager killed a nun to steal the ashes, but the nun came back to life and killed many of the villagers. Nae kills some of Eijiro's men and leaves with Mana following her. Eijiro orders his men to recapture Nae unharmed but to decapitate Yuta and Mana.
EP11 - Promised Tomorrow (Part II)

Sokichi helps Yuta escape, and they drive to the Red Valley. He reminds Yuta of a signal of arranged stones Yuta devised with Nae to meet in the Red Valley on the day he was to depart. Yuta denies that he gave the signal and suspects that someone else did. Eijiro and his men catch up with two girls and stabs Nae with his cane sword. He admits that he set the stone signal to test Nae's loyalty to him. When she arrived to leave with Yuta, Eijiro killed her in a jealous rage. Eijiro had planned to revive Nae with the mermaid ashes, but could not find them. He explains that for decades he searched for the ashes, and after finally finding them, he used them to revive Nae's still pristine corpse laying in the Red Valley. Mortally wounded, Nae staggers into in the Red Valley and remembers that Eijiro killed her there. Meanwhile, Yuta and Sokichi have escaped Eijiro's men and Yuta embraces Nae. She finally recalls the events of the past, but she dies in his arms. As Yuta and Mana leave, Yuta asks Mana if she's jealous, but Mana cheekily asks Yuta if jealousy is some kind of dessert.
EP12 - Mermaid's Scar (Part I)

Yuta and Mana encountera boy called Masato who is traveling from Tokyo to live with his mother. One night two years later, Masato stabs his mother in the chest, then cleans up the murder scene. However, the next morning when the housekeeper Yukie arrives, Masato's mother is alive again. At a nearby seaside a nearby construction site where Yuta and Mana are working, Yuta learns about a mysterious body that washed ashore and how that after Masato's mother died in a boat accident, she came back to life. Later, Masato's mother notices that her chest wound isn't healing and attacks Masato demanding mermaid flesh, but the boy is saved by Yuta. Masato gives Yukie a piece of mermaid flesh, hoping to make her immortal, but she becomes a Deformed instead and attacks Masato and his mother. Yuta arrives in time to kill the monster, but then realizes that it was Yukie. Mana escapes to safety with Masato who leads her to his hiding place. Meanwhile, Masato's mother tells Yuta that the immortal Masato gave her mermaid flesh after a Pacific War bombing raid, making her essentially his immortal captive mother. She ran away, but he found her again from after news of the boat accident. She finally dies from wounds inflicted by the Deformed. In his hideout, Masato suddenly tasers Mana and prepares to kill Yuta.
EP13 - Mermaid's Scar (Part II)

Masato reveals to his captive Mana that he is going to kill Yuta. Masato returns to the house, where he tricks Yuta into being caught in a booby trap of piano wire which cuts deeply into his neck. Masato explains that he is over 800 years old and recounts how he used mermaid flesh to transform many women into becoming long-lived mothers to him, but they all eventually died. Mana escapes her bonds and arrives to save Yuta just as Masato is in the process of beheading him with an ax. Masato shoots Mana, who as he dies, promises to kill Masato if he shoots Yuta, however she collapses first. Masato sets fire to the house to kill Mana, however, she awakes in time to drag Yuta's corpse from the fire. Masato drives off in his mother's car, but loses control. As a head-on collision with a truck is imminent, he resolves to find his next companion after he comes back to life. Yuta eventually revives and finds Mana crying. Later, he ask Mana why she cried and she replies that it was out of happiness.