The Kojiki places Susanoo, a god expelled from heaven, beside a river where two parents are weeping. Yamata no Orochi has devoured seven of their daughters, one in each successive year, and only Kushinadahime remains. The creature has eight heads, eight tails and a body vast enough to cover mountains and valleys. When Susanoo learns the girl is next, he proposes to kill it. His condition is that her parents agree to let him marry her.
Susanoo first prepares a trap. He has the family build a fence with eight openings, each provided with a container of powerful sake. Orochi drinks until it falls asleep, and the god cuts it to pieces. In a tail he finds a sword that will become part of the sacred history of Japan’s imperial house. The episode also changes Susanoo’s place in the story: after terrorising the heavenly gods, he protects an earthly family and establishes a household in Izumo.
The surviving accounts come from two court histories compiled in the eighth century, and their details do not fit one consistent version. They disagree about where the serpent was killed, what liquor subdued it, who needed rescuing and which name the sword originally bore. The river landscape of Izumo has also encouraged interpretations of Orochi as floodwater or as a figure connected with regional ironworking. Those interpretations concern the myth’s setting and transmission; the narrative itself remains a story about a god, a family and a serpent.
Where the story survives: the Kojiki and Nihon Shoki
The Kojiki, meaning Record of Ancient Matters, was submitted by Ō no Yasumaro in 712 CE under Empress Genmei. Eight years later, in 720, the court completed the Nihon Shoki, or Chronicles of Japan. Both works assembled the descent of divine ancestors and narratives of early rulers while the Yamato state was developing its institutions. The ruling dynasty could trace its authority through those sacred ancestors. These works preserve what early eighth-century editors recorded and arranged. No surviving evidence makes them exact transcripts of earlier oral performances.
In the Kojiki, the journey to Izumo leads directly through the meeting with the parents, the killing, the wedding and the foundation of a palace. Readers can follow that sequence in Basil Hall Chamberlain’s translation, where section XVIII, “The Eight-Forked Serpent” covers the serpent and section XIX, “The Palace of Suga” covers the marriage and the poem. His nineteenth-century English is sometimes unfamiliar, and particular translations remain disputed. The cited passages preserve the chronology of the ancient account, which later retellings often simplify.
The Nihon Shoki preserves more than one version. Its editors sometimes introduce alternatives with the words “in one writing it is said,” and its Book I in W. G. Aston’s translation gives a central account alongside quite different variants. One places the encounter by the River E in Aki, in the area of modern Hiroshima. Another has Susanoo travel first to Silla on the Korean Peninsula, while yet another leaves out the carefully arranged sake trap. The compilers recorded these competing stories together in 720, without identifying the community in which each originated.
The court compiled these books before the diverse traditions later grouped under the name Shinto had acquired a single, fixed form. Local worship of kami, or deities, existed alongside traditions that the court selected and reshaped as state history. The Kokugakuin University Encyclopedia of Shinto entry on Susanoo presents Susanoo’s heavenly destruction and his later creation of a home in Izumo as stages of the same divine career. The god who wrecks heaven later protects an earthly family. Both acts belong to his recorded career.
Why Susanoo was expelled from heaven
Amaterasu, associated with the sun, and Tsukuyomi, associated with the moon, are generally introduced as Susanoo’s siblings. In the Kojiki, their father Izanagi produces all three while cleansing himself after a journey to the land of the dead; Susanoo emerges from his nose. Other birth stories appear in the Nihon Shoki, including one in which the deities are children of Izanagi and Izanami together. The chronicles preserve competing accounts of the siblings’ origins; their genealogy was not identical in every tradition.
When Izanagi gives Susanoo dominion over the sea plain, Susanoo refuses the task and mourns for the land linked with his mother. His crying and anger damage the world around him. He then visits Amaterasu in heaven, prompting his sister to fear an attack. The two undertake a ritual pledge, or ukei, producing deities from objects they exchange. Susanoo announces that he has won, then destroys field boundaries, commits ritual defilements and flings a skinned horse into a weaving hall. He leaves the heavenly realm in disorder.
Amaterasu withdraws into a rock cave, and the loss of the sun’s light brings the other deities together to lure her out. They subsequently punish Susanoo and banish him. His offences have disturbed farming, ritual cleanliness and the relationship between brother and sister. His descent brings another violent episode. The Kojiki places the killing of Ōgetsuhime, a food deity, between the expulsion and the arrival in Izumo; useful crops spring from her corpse. The serpent episode follows this sequence of frightening deeds, so his later protection of the family in Izumo represents a change in his actions.
“Storm god” is a familiar description of Susanoo, but it covers only part of his changing identity. The sources associate him at different times with seas, wind and rain, the world below, dangerous disorder and the defence of people. As Kokugakuin’s scholarly overview observes, important elements of his character remain uncertain. His different roles recur throughout later accounts. The chronicles give him roles beyond any single natural force: he destroys in heaven and rescues Kushinadahime on earth.
A family waiting for the eight-headed serpent
At Torikami, near the source of the River Hi in Izumo, Susanoo sees a chopstick floating downstream. The Kojiki says he takes it as a sign that people live higher up the river, so he follows the water. Upstream he finds Ashinazuchi and Tenazuchi weeping with their daughter Kushinadahime. Ashinazuchi is an earthly deity descended from the mountain god Ōyamatsumi; the girl’s name also appears as Kushiinadahime or Inadahime. The parents explain that a serpent from Koshi has eaten one of their eight daughters every year, leaving this child as its next victim.
The creature they describe has eight heads and eight tails joined to one gigantic body. Its red eyes are likened to the fruit of the hōzuki, the Chinese lantern plant. Trees and moss cover its back; eight valleys and eight hills fall within its length, while its belly is raw and bloody. Orochi resembles the wooded terrain it traverses while preying on the family year after year. The English word “dragon” is convenient but imprecise: the Japanese name is usually understood as “eight-forked great serpent,” and the chronicle describes a supernatural creature.
The number eight governs both the creature’s appearance and Susanoo’s eventual plan. As Kokugakuin mythologist Kikuko Hirafuji explains, it can also suggest an extensive multitude in early Japanese mythic language. Orochi nevertheless has eight heads and eight tails in the account, and the trap must supply eight drinking places. The eight drinking places explain how Susanoo can subdue all its heads, while the hills and valleys convey the creature’s immense size beside the family’s settlement.
Susanoo promises to kill the serpent if he may marry Kushinadahime. Her parents consent when he identifies himself as a deity. They speak and negotiate while their daughter is given no dialogue in the surviving account. Susanoo subsequently turns her into a comb and carries her into the encounter, leaving her safety entirely in his hands. The story’s marriage arrangement therefore belongs to an ancient narrative in which the prospective bride is treated as an object of family negotiation. The ancient account never gives her a voice in the negotiation.
How eight vessels of sake defeat Yamata no Orochi
Susanoo’s instructions in the Kojiki establish the trap’s layout. Ashinazuchi and Tenazuchi must make yashiori no sake, a particularly strong liquor prepared through repeated brewing or refining. They are to build a fence containing eight gates, with a vessel of liquor available at each one. Chamberlain translates a phrase as “eight platforms” and discusses the difficulty in his notes. Each head is meant to find an entrance and a drink. It mentions neither a hydraulic installation nor corridors for trapping the serpent’s necks.
Translations call the drink “eightfold-refined sake,” though that need not imply modern distillation. Chamberlain writes “distill” in his English version but considers “brewing” in a note, acknowledging how difficult ancient production methods are to render. The drink must be strong enough to overcome Orochi after all eight heads have drunk. A Nihon Shoki variant substitutes liquor brewed from various fruits, and another calls the sake poisonous. Each recipe belongs to a different telling, rather than a single historical brewing procedure.
Before Orochi reaches the enclosure, Susanoo turns Kushinadahime into a finely toothed comb and places it in his hair. The resemblance between part of her name and kushi, the word for comb, helps explain the transformation as a feature of the tale’s language. Both the Kojiki and the principal Nihon Shoki version include the incident. The comb is part of the rescue, although abbreviated retellings often omit it. Susanoo keeps the transformed Kushinadahime in his hair during the fight.
The monster reaches the fence and puts its heads to the vessels. Every head drinks, and the creature becomes so intoxicated that it falls asleep. Susanoo draws his totsuka sword, described as a “ten-grasp” weapon, and hacks Orochi apart. In the Kojiki, the blood turns the River Hi red. The serpent is asleep when Susanoo strikes. The family’s brewing and construction have made the killing possible; Its appetite has made it helpless before he draws the sword.
A fence, household vessels and a potent brewed drink overcome an animal whose body extends across valleys. The contrast has invited readings of the episode as the containment of overwhelming natural danger through familiar equipment. That reading is possible without turning the myth into evidence of a particular ancient engineering method. David Weiss’s 2018 comparative study examines the meanings the narrative acquired over time. None of those meanings establishes a single historical event behind the story.
The sword hidden in the serpent’s tail
The second sword comes to light when Susanoo’s own blade is damaged. According to the Kojiki, while he cuts the middle tail, the edge of his own sword is damaged. He splits open the tail and finds another sword, an exceptional blade concealed within Orochi. The text distinguishes the weapon used in the killing from the one discovered afterward. The account supplies no evidence for identifying either sword’s material, manufacture or archaeological counterpart.
The newly found blade is called Kusanagi in the Kojiki, conventionally understood as the “grass-cutting” sword. The Nihon Shoki also transmits a story in which its earlier name was Ame-no-Murakumo-no-Tsurugi, the “Sword of Gathering Clouds of Heaven,” before Yamato Takeru’s exploits supplied the later name Kusanagi. Clouds or mist gathering above Orochi provide the chronicle’s explanation of the old name. Aston’s translation of Nihon Shoki Book I introduces the alternative with “in one writing it is said,” which marks the story as an alternative rather than an agreed chronology for the blade’s names.
The two chronicles also differ about what Susanoo does with his discovery. The Kojiki says he tells Amaterasu about the discovery; Chamberlain explains in a note why another translator might read the passage as saying that the blade was sent to her. The Nihon Shoki is more direct: Susanoo thinks a divine sword should be given to the gods in heaven and offers it to them. Through that transfer, a weapon found in Izumo becomes a sacred possession of the heavenly line that the court claimed as its ancestry. The transfer gave the story political significance, though its earliest appearance in the tradition cannot be dated.
The name Kusanagi becomes important again in stories about Yamato Takeru. When enemies attempt to burn him, he uses the sword to cut surrounding grass and, in some versions, sets a counterfire. The sword later comes to be associated with Atsuta Shrine in Owari, within present-day Nagoya. Atsuta Jingu’s official account traces its origins to Yamato Takeru and Miyasuhime, his wife. Its treasure collection displays donated swords, though the sacred Kusanagi is not shown. The sword identified with the legend is not available for archaeological examination, so the custody tradition cannot independently date it.
With the sacred mirror and curved jewel, Kusanagi is counted among the Three Imperial Regalia of Japan. Orochi’s tail supplies its mythic discovery, while the later Yamato Takeru episodes trace the blade toward the shrine associated with its keeping. The Yamato court could thus incorporate an Izumo story into its own account of sacred descent. The surviving texts show the story’s political use, while providing neither an excavated blade nor witnesses to Susanoo’s deed.
What happened after the killing: Suga and the eightfold fence
Once Orochi is dead, Susanoo seeks a home for himself and Kushinadahime in Izumo. He reaches Suga and, in the Kojiki, remarks that his heart feels refreshed there. The narrative connects the place name with that expression, an explanation of a name within the myth rather than an independently demonstrated etymology. He then builds a palace, bringing the marriage promise to its conclusion, and gives Ashinazuchi a position in the new household. The family whose daughters had been lost now belongs to Susanoo’s new household.
Clouds rise over Susanoo’s palace, inspiring a song that begins Yakumo tatsu, “eight clouds arise.” The short poem celebrates a manyfold fence in Izumo protecting a husband and wife. The full passage in the Kojiki sets it after Orochi’s death, and its repeated yaegaki recalls the eightfold enclosure in which the serpent drank. The repeated image of a fence links the serpent’s defeat with protection of the marriage. The source does not say the drinking enclosure itself was physically reconstructed around the palace, the two passages share the image of protective fences.
Later Japanese literary tradition gave the Suga song a prominent place in the origins of waka verse. It is sometimes labelled the first Japanese poem or the earliest 31-syllable poem, but neither claim can be established securely. The text introduces the song in a mythic narrative, and Chamberlain’s annotations themselves discuss alternative readings and the disputed counting of its lines. Later writers treated it as an early landmark in Japanese poetry. The serpent-slayer was therefore also remembered as the composer of a verse about marriage and shelter.
The story continues into the genealogy of Ōkuninushi, Izumo’s major land-associated deity, through the descendants of Susanoo and Kushinadahime. The Kojiki and Nihon Shoki give different numbers of intervening generations and different genealogical arrangements. These are rival mythic genealogies, not recoverable family records. They matter because the court narratives eventually describe authority over the land passing from Izumo’s deity to heavenly descendants linked with the imperial dynasty, incorporating Izumo’s gods into the court’s account of political authority.
Was Orochi a flood, an ironworking myth, or something else?
The landscape around the River Hi suggests a possible reading of Orochi as floodwater. The Hi, commonly identified with the Hii River of modern Shimane Prefecture, sustained agricultural settlements but could also flood and ruin fields. Orochi crosses hills and valleys with trees growing on its body, returns each year and menaces a girl whose name has been connected with rice cultivation. Kikuko Hirafuji’s discussion at Kokugakuin University considers whether its defeat represents protection from flooding. The serpent may embody the river’s threat to farming settlements, although the chronicle never says so.
The flood interpretation cannot establish an ancient engineering project. The chronicle says nothing about sake jars representing irrigation reservoirs, fences serving as channels or Susanoo completing an identifiable flood-control project. Its imagery may be suggestive, but it cannot tell us who devised a particular water system or when. The regional Izumo Fudoki, a gazetteer compiled in 733, records the resources and fertility of the Hi basin. David Weiss’s study, pages 4–5 draws on that account to describe a river whose productive water could also be dangerous. The gazetteer describes the region, without recording the engineering project sometimes inferred from the myth.
The sword has also encouraged a metalworking interpretation rooted in Izumo’s resources. River deposits in the region could supply iron sand, while the Izumo Fudoki records iron sand from the Hata and Iishi rivers and praises the iron made in the four townships of Nita District. Weiss compares the gazetteer’s metalworking references with Orochi’s body and the weapon from its tail. On this reading, the episode may have acquired associations with river-based metal production and valuable weapons. This reading concerns how the myth may have developed; it does not identify a historical sword.
Archaeological finds confirm the region’s metalworking significance, though they cannot establish the myth’s origin. At Kōjindani in Shimane Prefecture, excavations in 1984 and 1985 uncovered 358 bronze swords, six bronze bells and sixteen bronze halberds in a striking deposit. These ancient ritual objects cannot be identified as Kusanagi or taken as evidence for Orochi’s existence. Their quantity reveals the scale of local metal possession and ritual deposition. In his archaeological section, pages 13–16, Weiss also considers how metalworking techniques moved from the Korean Peninsula into the region; connecting those processes to particular divine characters remains an interpretation.
One source complicates attempts to trace the legend’s origins. The Izumo Fudoki, although concerned with Izumo, never tells Susanoo’s battle with Orochi. Scholars have taken that omission as possible evidence that the court developed or greatly reshaped the killing story. Yet a missing narrative in one source cannot establish that local storytellers never knew it. The gazetteer records Susanoo and his descendants, and Weiss notes a possible parallel involving the subjugation of the “Eight Mouths” of Koshi. The language resembles the serpent account but is not securely the same story. Different accounts may have circulated before the chronicles were compiled.
Why the Nihon Shoki variants matter
The Nihon Shoki alternatives change the rescue itself. In the leading version, the family meets Susanoo at the River Hi; he turns Kushinadahime into a comb and prepares sake as a trap. In an Aki version, the parents have lost infants to the serpent at birth and are expecting another child. Susanoo tells them to ferment liquor from fruit, then pours it into the creature’s mouths. He rescues the child during childbirth, and the account brings the girl to Izumo only later. The danger, rescue and subsequent marriage follow a different sequence in this telling.
Another account places Susanoo first in Silla on the Korean Peninsula with Isotakeru, his son. They travel across the sea in a clay boat to Izumo, where Susanoo kills a serpent that devours people. That version leaves aside much of the familiar bride-and-sake plot. A separate variant makes the liquor poisonous. The chronicle’s compilers preserved these incompatible details side by side. Combining the variants cannot reconstruct the earliest performance of the story.
Silla’s presence in a version of the tale is of interest because technologies, ideas and people did move between the Korean Peninsula and the Japanese archipelago. Weiss’s 2018 comparative study examines proposed connections among the serpent, weapons, water and neighbouring myths. His later 2022 book on Susanoo and Korea follows the political uses of stories about Susanoo, including their place in arguments shaped by Japanese imperial ideology. They trace the tradition’s changing political meanings, though the circumstances of its first composition remain unknown.
Orochi also belongs to a much wider family of tales about defeating serpents and monsters. In the Greek story of Perseus and Andromeda, a hero rescues a woman threatened by a creature. In the Hittite Illuyanka narrative, a serpent is made vulnerable through food and drink. Hirafuji’s comparative discussion identifies these parallels, which illuminate the plots without establishing direct borrowing from either tradition. The river geography, eightfold anatomy, transformed bride and sword later linked with the imperial house distinguish the Orochi episode from those parallels.
Yaegaki Shrine, Atsuta and the myth’s later life
The legend has a continuing religious life in Matsue at Yaegaki Shrine, where Susanoo and Inatahime, a variant of Kushinadahime’s name, are honoured. Marriage and matchmaking are especially important associations there. At the shrine’s Mirror Pond, visitors set a coin on a piece of paper and float it on the water; how quickly it sinks is interpreted in relation to the visitor’s romantic future. Matsue’s official visitor information describes the custom and the deities of the shrine. The custom reflects the story’s continuing association with marriage centuries after the court chronicles were compiled.
Tradition connects Yaegaki Shrine with the couple’s marriage, although the eighth-century texts locate their palace at Suga and provide no verifiable date for Yaegaki’s foundation. The shrine belongs to the myth’s subsequent religious history. A different part of that history is centred at Atsuta Shrine in Nagoya, whose official history relates its foundation to Yamato Takeru and Miyasuhime. The shrine precincts are accessible, and its museum exhibits other historic swords, but the Kusanagi associated with the Imperial Regalia remains hidden. The museum objects are publicly visible; the sword’s claimed sacred custody cannot be examined in the same way.
Images of the contest developed long after the earliest written accounts. Nineteenth-century woodblock artists such as Utagawa Kuniyoshi, Tsukioka Yoshitoshi and Toyohara Chikanobu arranged Susanoo, the woman and the huge serpent in theatrical and often violent scenes. Their prints show the myth as nineteenth-century audiences could see it. Armour, weapon shapes and monstrous faces in these compositions belong to the artists’ own visual worlds; they do not show how eighth-century compilers or earlier storytellers imagined Orochi.
Kawanabe Kyōsai’s 1887 painting in the British Museum is a useful example because its departure from the older narrative is documented. Kyōsai depicts Susanoo raising his sword before a dragon emerging from a storm-tossed sea. The museum notes that he changed both the location and the order of events compared with the familiar textual version. Regional kagura performances offer another form of retelling, using articulated or moving serpent costumes to dramatise the creature. The monster changes visually across paintings, prints and performances, while the narrative remains recognisable.
What the serpent’s defeat meant
For the family, the end of Orochi means the end of an annual loss that had destroyed its daughters. For Susanoo, exile leads to marriage, a household at Suga and a place in Izumo’s divine lineage. The sword from the serpent’s body eventually becomes a symbol of sacred authority associated with heaven and the imperial family. The rescue begins with the family’s work preparing a fence and sake. The killing itself is brief because the plan has rendered the serpent helpless.
The Kojiki and Nihon Shoki retain the same recognisable pattern of rescue, intoxication, killing and discovery, even as their details diverge. The variants connect the myth with local landscapes, divine lineages and the court’s claims to authority. Interpretations linking Orochi with flooding or metalworking gain context from the Izumo Fudoki and archaeology, but neither can be established as the serpent’s one original meaning. The earliest surviving sources record the serpent’s defeat in differing forms, without identifying a historical event behind it.
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