Ehimeえひめ
12 yokai rooted in Ehime (Shikoku region). Explore the legends tied to this land.

神格 Oyamatsumi
oyamatsumi
The Supreme Deity of Mountains, Seas, and War
神霊・神格大山祇神社 (現·愛媛県今治市大三島町宮浦、 伊予国一宮·日本総鎮守) / 三嶋大社 (現·静岡県三島市大宮町、 伊豆国一宮·名神大社) / 全国 400 社余の三島神社·大山祇神社 (愛媛 111·静岡 36·福島 35·福岡 24 等)The Master of Life's Eternity and Finitude. The myth wherein Oyamatsumi offers his daughters Iwanaga-hime (the eternity of rock) and Konohanasakuya-hime (the fleeting beauty of a blossom) to the Heavenly Grandson is not merely a marriage tale, but a philosophical myth determining human lifespan and natural providence. When Ninigi-no-mikoto chose only the beautiful younger sister and sent back the ugly older sister, Oyamatsumi delivered a declaration that was both a curse and a prophecy: "The lifespan of the Heavenly Grandson, which should have been eternal like a rock, will now scatter fleetingly like a blossom." He is depicted as a god with a cold, primordial fatherhood who teaches humanity both the beauty and harshness of nature, and the finitude of life. A Massive Perspective of Nature That Rejects Anthropomorphism. Among Japanese deities, rather than being depicted in a specific anthropomorphic form (such as an old man), Oyamatsumi is strongly perceived as a massive mountain block, a dense forest, or an island serving as a navigational landmark. This grand scale is the very perspective of mother nature, transcending the morals and ethics of human society. Even during the era of Shinto-Buddhist syncretism (Honji Suijaku), rather than being tied to a specific Buddha, he was worshipped as an overwhelming aggregate of natural energy. Guardian of Mines, Blacksmithing, and Brewing. The multifaceted nature of the mountain god expanded further. He was devoutly worshipped as a professional deity by miners who extracted ore from the mountains and by blacksmiths. Furthermore, he possesses the aspect of a god of brewing as "Sakatoke-no-kami." This stems from ancient memories of alcohol being brewed from wild nuts and spring water found in the mountains, and the indispensability of alcohol in rituals before the gods. Oyamatsumi is an all-powerful tutelary deity (Ubusunagami) who manifests on all boundary lines where nature's bounty is transformed into human culture (livelihood).

神格 Mahō-sama (Magic Lord)
mah-HOH-sah-mah
Tradition-Faithful Guardian Deity Kyūmō Tanuki
Deities & Divine SpiritsBizen Kamo (present-day Okayama Prefecture)A local guardian whose tanuki shapeshifter lore was deified at sites such as the Mahō Shrine in Kari, Sōja City, and the Hinokaminari Shrine and Amatsu Shrine in Kibichūō. The name has no relation to Western magic, with a noted theory of corruption from Marishiten. Some local accounts place its arrival in the late Muromachi period. Worship centers on keeping cattle and horses healthy and on protection from fire and theft. On temple fair days, people would visit leading their cattle and horses, and tales speak of a tanuki’s passage hole and offerings of fried tofu. Hallmarks of tanuki lore appear—shapeshifting, omens, and money glamour that makes leaves seem like gold—yet it ultimately came to be enshrined as the village’s tutelary deity.

伝説 Umibōzu (Sea Monk)
oo-mee-BOH-zoo
Umi-bōzu (Fishermen’s Lore)
Aquatic SpiritsFishing villages and maritime loreUmi-bōzu is a yokai said to embody the fear and unease sailors feel at sea. Its form is not fixed, sometimes appearing as a mere black shadow, other times rising from the waves as a colossal monk-like figure. Tales tell of it approaching boats and whispering, “Lend me oil,” and if given, it ignites flames and sinks the vessel. In more recent lore, it is said to collect sunken boats and nets and stack them on the seafloor, and at times appears holding a glowing bottle or lantern. Both a frightener of humans and a symbol of the sea’s mystery, it is regarded with awe.

伝説 Ushi-oni
OO-shee OH-nee
Ushi-oni (Traditional Lore Form)
Animal ShapeshiftersCoasts of Shikoku and the Chugoku region (especially Ehime and Kochi along the Seto Inland Sea)The Ushi-oni’s appearance varies by region, yet it is consistently remembered as a symbol of terror. Emerging from the sea, it ambushes travelers and fishermen, inspiring fear, taboos, and appeasement rites. Legends tell that even when its head is severed it keeps rampaging, marking it as a top-tier yokai for persistence and monstrous strength.

伝説 Inugami
EE-noo-GAH-mee
Inugami (Traditional Form)
Animal ShapeshiftersShikoku, Chugoku, and Kyushu regions of JapanInugami are feared as hereditary possessing spirits tied to certain lineages, bringing wealth and prosperity yet shunned as curse gods. Rites and keeping methods vary by region, with offerings made in storerooms, under floorboards, or at water jars. Their form is not fixed: accounts describe a mottled mouse-like creature, a black-and-white weasel-like shape, a long-mouthed rat, or something bat-like. Houses said to keep inugami were believed to have as many spirits as family members, and the spirits were rumored to run to other homes to obtain desired goods. The possessed might bark, tremble in the shoulders, or gorge themselves, and even cattle, horses, and tools were said to be possessed. Exorcism was performed through prayers and esoteric rites, with shrines in Tokushima particularly noted. Origins are variously traced to sorcery, legal taboos, and rites that turn a dog’s head into a fetish, differing by locale.

伝説 Kojin
こうじん
The Raging Fire and Boundary Deity, Kojin
Divine Spirits / DeitiesSeikojin Kiyoshikojin Seicho-ji Temple (Takarazuka, Hyogo Prefecture; head temple of the Sanbo Kojin faith) / Seto Inland Sea cultural sphere of the Chugoku and Shikoku regions (Okayama, Hiroshima, Yamaguchi, Ehime, etc.)Aramitama Ideology and the Duality of Japanese Religion. While the basic description touches upon Kojin's two main systems, this thorough explanation delves deeper into the "Aramitama" (rough spirit) concept and the dualistic structure of Japanese religion. Ancient Shinto understands deities on an axis of "Nigimitama" and "Aramitama," recognizing that a single deity possesses both an aspect of a gentle savior and that of a raging curse-bringer. The Nigimitama gently protects people, while the Aramitama brings curses and disasters; ritually balancing the two is viewed as the religious goal of purification. The Kojin faith represents the extreme realization of this option to "worship the Aramitama independently." It holds a paradoxical structure: by fearing and worshipping a terrifying deity, its violent power is transformed into a protective force for the community. This is a variation of a universal structure in East Asian religious culture, comparable to the City God (Cheng Huang) in China, local deities in Korea, and spirit worship in Southeast Asia. Yaksha Origins and Esoteric Syncretism. Sanbo Kojin is a composite deity that incorporated the form of ancient Indian Yaksha spirits, blending elements of Buddhism, Shinto, mountain asceticism, Esoteric Buddhism, and Onmyodo. In ancient Indian mythology, Yakshas were semi-divine, semi-demonic beings guarding forests, mountains, and treasures; upon entering Buddhism, they were recontextualized as protectors of the Dharma (such as the retinues of Vaisravana). The process by which this merged with Japanese hearth and fire worship to become Sanbo Kojin is a prime example of the dynamism of Buddhism's reception in ancient Japan. The three-faced, six-armed wrathful statue, adorned with flaming hair, fangs, and carrying a bow and arrow, is the result of the fusion between its Yaksha roots and ancient Japanese demon-god imagery. The Religious Economy of Ascetics, Onmyoji, and Monks. The nationwide spread of the Sanbo Kojin faith during the Edo period was driven by the active proselytization of religious groups like Shugendo ascetics, Onmyoji, and lower-ranking monks. Operating outside the institutional structures of major temples and shrines, they made their living by offering prayers, fortune-telling, distributing talismans, and presiding over festivals for local communities. By preaching devotion to Sanbo Kojin, issuing talismans, and organizing rituals, a social system was built that supported the economic foundation of these wandering ascetics. The religious history of medieval and early modern Japan must be understood not just as a history of changing doctrines, but as concrete social history encompassing religious economy, the hierarchy of practitioners, and negotiations with local communities—with the spread of Sanbo Kojin serving as a typical case. The Seto Inland Sea Cultural Sphere and Kagura Theater. Bitchu Kagura in Okayama Prefecture originated as a ritual to "invite Kojin and dance before him," earning the alternative name "Kojin Kagura," and was designated a National Important Intangible Folk Cultural Property on February 24, 1979. In the late Edo period, the scholar Nishibayashi Kokukyo composed mythological plays (Shin-no) such as "The Transfer of the Land by Okuninushi," based on the Nihon Shoki and Kojiki, incorporating them into the rituals and thereby establishing the modern form of Bitchu Kagura. This is a symbolic example of how classical mythology and local Kojin faith heavily intertwine in the Seto Inland Sea cultural sphere. It preserves a unique theatrical culture where national deities (Susanoo, Okuninushi), Kojin, and local gods appear together as an integrated pantheon on the Kagura stage. Since ancient times, the Seto Inland Sea has been a maritime trade route with the continent and the Korean Peninsula, a center of Shingon Esoteric Buddhism, and a vast cultural region where local Shinto traditions—such as those of Izumo, Kibi, and Sanuki—have densely intersected. Ji-Kojin and Village Communities. The outdoor Ji-Kojin possesses a different origin story than the indoor Sanbo Kojin. Worshipped by individual households, kin groups, or small settlements—often using the estate's demon gate, village borders, or mounds beneath large trees as vessels—Ji-Kojin acts as a guardian of community boundaries, land, and ancestors. The dense concentration of Ji-Kojin worship in the mountain villages of the Chugoku region and the islands of the Seto Inland Sea has functioned as a mechanism to religiously reaffirm the hierarchical order of families, small settlements, and villages. The festival dates of the 28th of every month, January, May, and September hold social significance beyond simple religious rituals, acting as social time to confirm the solidarity of community members. Gyuba Kojin: The Industrial Aspect. A third system of Kojin that has garnered folkloric attention is Gyuba Kojin (the Kojin protecting cattle and horses). Tied to the history of using cattle and horses as primary sources of power for farming and transport in the mountain villages of Chugoku and Shikoku, the custom of affixing Kojin talismans in stables and praying for the animals' health during spring and autumn festivals was widespread. This reflects the religious life of pre-modern farming villages, where livestock were not mere economic assets but were religiously positioned as members of the family and community. With the advance of mechanization and modern power sources, Gyuba Kojin worship rapidly declined, but numerous ritual artifacts remain preserved in museums and local history centers across Chugoku and Shikoku. Re-evaluation in the 21st Century. In post-war Japan, folklorists such as Kenichi Tanigawa, Noboru Miyata, and Kazuhiko Komatsu advanced academic re-evaluation of Kojin worship, repositioning it as "the representative of Japan's indigenous local deities." In literature, Miyuki Miyabe's novel *Kojin* (Asahi Shimbun Publications, 2014) explored the deity, becoming a widely read narrative that cross-pollinated Edo-period local Kojin faith with modern societal anxieties. Today, in the 21st century, Kojin festivals and Kagura are inherited as intangible folk cultural properties throughout the Seto Inland Sea, Chugoku, and Shikoku regions. It remains one of the few "active" folk deities living on across academia, literature, and regional folklore. Homes enshrining Sanbo Kojin are still numerous, serving as precious embodiments of folkloric continuity.

名妖 Thousand-Wolf Pack
SEHN-bee-kee OH-oh-kah-mee
Senbiki-Ōkami
Animal ShapeshiftersAcross Japan (Shikoku, Izumo, Echigo, etc.)The traditional image of the Senbiki-Ōkami portrays not a lone wolf but the terror of a pack moving under command. Tales begin on a nighttime pass where a survivor escapes up a tree. The pack gains height through leaps and coordinated boosts, and when they cannot reach, they summon a chieftain or outside entities such as an old cat, an ogress, or the Blacksmith’s Wife. Those summoned are linked to in-home impostors disguised as family, and by morning the world bears traces—bloodstains, missing household vessels, wounds, or memorial steles—that anchor the tale in reality. Though the wolves’ behavior is exaggerated, older interpretations align it with knowledge of nocturnal habits and pack movement, and prayers, edged tools, and daybreak commonly mark the turning point. Depending on region, the chieftain appears as a white-maned great wolf, an old cat, or an ogress, with names like the Blacksmith’s Wife, Koike Hag, or Yasaburō Hag, yet the core pattern of tree-bound escape and summoning remains. Folklorically, the story links calamity lurking at borders—mountain passes, the hour before dawn—to shapeshifters within the home, often accompanied by memorial towers and place-name lore.

名妖 Basan
BAH-sahn
Tradition-Faithful Iyo Type
Animal ShapeshiftersIyo (modern Ehime Prefecture)This version follows accounts from Iyo, portraying it as a monstrous bird lurking in mountain bamboo thickets. It resembles a chicken with a striking red comb, and in the dark only the comb and the fire it exhales are visible. Its expelled fire is a will-o’-the-wisp without heat that does not ignite objects, said to flicker suddenly along night roads and village borders, leaving a strong memory of beating wings. Nocturnal in habit, it reacts sharply to signs of doors opening or moving lights such as torches, and retreats into the thicket at once. Reports of harming people are scarce, with encounters mostly limited to startling passersby, and villages regarded it as an ambiguous sign of the mountain’s presence—neither auspicious nor ill-omened. Early modern sources also note views likening it to a fire-eating bird and names derived from its wingbeat, blending natural-history notes with tales of the uncanny. In folk belief it is placed among boundary spirits marking the divide between mountain and settlement, a gentle anomaly linked to both ghost-light lore and bird-yokai traditions.

珍しい Inugami Gyōbu
EE-noo-GAH-mee GYOH-boo
Kodan Tradition Version
Animal ShapeshiftersIyo Province (modern Matsuyama, Ehime Prefecture)The image of Inugami Gyobu should be understood through the lens of how the Matsuyama tanuki tales were reshaped by kodan storytelling. Across Shikoku, dense beliefs in tanuki and transformation legends spread, and in Matsuyama both “guardian” and “trickster” aspects were told of beings dwelling at the boundary between the castle town and the wilds. The title Gyobu signals a bond with the castle, emphasizing a guardian role, while kodan added favored conflicts—such as inviolable pacts and ambushes during internal clan strife—producing varied plotlines. In every variant, the rock shelters and caves of Mt. Kuma form the final stage, where sealing or pacification brings closure. The appearance of Ino Budayu also became standard, linking in a known monster-slaying tale from other sources and lending a higher authority of supernatural judgment to the Matsuyama tanuki narrative. His spiritual power and many retainers match regional views of a tanuki chieftain leading a band, serving as a framework to explain wonders at annual castle-town events and at passes or shrine precincts. Though today’s lore bears kodan embellishments, at its core remains the figure of a tanuki lord guarding the liminal zone between castle and mountain.

珍しい Tsurube-bi (Bucket Fire)
TSOO-roo-beh-bee
Traditional Aspect (Kaika Will-o’-Wisp)
Natural Phenomena SpiritsKyoto (Saiin) and mountain woods across Shikoku and KyushuA traditional reading of the Tsurube-bi based on Edo-period ghost tales and Sekien’s imagery. Told across Japan as a tree-born will-o’-wisp, its bluish-white fire-orbs dangle from branch tips and bob up and down like a well bucket’s pulley, misleading travelers. The flame is weaker than it looks and is said not to catch on clothes or vegetation. Early-modern accounts cite fire apparitions around Saiin in Kyoto, and later yokai encyclopedias file it as a will-o’-wisp akin to Tsurube-otoshi or as a separate kind. Sightings are said to peak on moonless or misty nights; when approached it slips away, when left it drifts back. A shadowed face sometimes appears, causing confusion with hitodama, yet it is remembered as a local, earthbound fire spirit.

珍しい Chōchin-bi (Lantern Fire)
CHOH-cheen-bee
Chochin-bi (Lantern-Flame, regional will-o’-the-wisp type)
Natural Phenomena SpiritsAcross Japan (notably Shikoku, Yamato, and Ōmi traditions)A regional catch-all name for ghostly lights about the size of a paper lantern. In some areas it is conflated with kitsune-bi and tanuki-bi, its name stemming from the idea of monsters lighting lanterns. It appears on rainy nights along riverbanks, dikes, and graveyards, drifting at a fixed height. Accounts vary by era and locale: vanishing when approached, splitting when struck, or marching in clusters. In folklore it portends untimely death or a curse and marks taboos along the roadside, anchoring tales that warn against pursuit or striking it. It appears in early modern essays and kaidan, sometimes gaining proper names (such as Koemon-bi) and lodging in local memory. Natural ignition and animal-origin theories coexist, and its true nature remains unsettled.

珍しい Night Sparrow
YOH-soo-ZOO-meh
Night Sparrow (Tosa, Iyo, Kii Consolidated Tradition)
Animal ShapeshiftersMountain regions of Tosa, Iyo, and Kii (modern Kochi, Ehime, Wakayama)The Night Sparrow is a nocturnal attendant yokai widely told of in the mountains of western Japan, marked by revealing itself through its call. In Tosa it is said to look like a small bird, in Kitagawa and Iyo like a moth or butterfly, and its appearance is not fixed. When someone walks alone, it alternates between the rear and the front, chirping close to the ear and throwing off the walker’s rhythm. In Toyama Village a banishing chant is preserved, and people are warned that rashly trying to catch it brings night blindness. In Wakayama, by contrast, it is taken as a sign that wolves are near and as a protective omen against mountain evils. Related tales include the “okuri-suzume” of Nara and Kii and the “tamutori-suzume” of Kochi and Ehime. In Tsunoyama and Johen they are treated as the same, and avoidance methods include gripping one’s sleeve, setting three twigs upright, or reciting specific mantras. Its folkloric traits are its ambiguous visual form, interference through sound, and regional differences in whether it is seen as ill or auspicious.