Ryukyuan religion

Harimizu utaki (Harimizu Shrine), a Ryukyuan shrine in Miyakojima, Okinawa Prefecture.

The Ryukyuan religion is the indigenous belief system of the Ryukyu Islands. While specific legends and traditions may vary slightly from place to place and island to island, the Ryukyuan religion is generally characterized by ancestor worship (more accurately termed "ancestor respect") and the respecting of relationships between the living, the dead, and the gods and spirits of the natural world. Some of its beliefs, such as those concerning genius loci spirits and many other beings classified between gods and humans, are indicative of its ancient animistic roots, as is its concern with mabui (まぶい?) , or life essence.

Over time, Ryukyuan religious practice has been influenced by Chinese religions (Taoism, Confucianism, and folk beliefs), Buddhism, Japanese Shinto, and (to some extent) Christianity. One of its most ancient features is the belief onarigami (おなり神), the spiritual superiority of women derived from Amamikyu, which allowed for the development of a noro (priestess) system and a significant following for yuta (female mediums). This differs greatly from Japanese Shinto where men are seen as the embodiment of purity.

Family-centered worship

Ryukyuan religion, with its focus on demonstrating respect of and reverence toward ancestors, is naturally based in the family home. The oldest female relative acts as a primary celebrant, officiating rituals concerning ancestors, household gods and those family members who live both in and outside the home. Daily incense offerings are made and prayer "reports" are delivered aloud, in which each family member is described for the benefit of the incorporeal being addressed. The oldest female relative is also responsible for cleaning and upkeep of the buchidan (ancestors altar), hinukan (hearth god and his home on the hearth), and furugan (bathroom god).

Ancestors and their relationship to time

The Ultimate Ancestors, those from whom all life springs, are Utin ("Heaven", the father), Jiichi ("Earth", the mother), and Ryuuguu ("Sea", the place from which we were born). They originate and exist, along with kami, or the gods of the world, during the Usachi-yu, the "Ancient Age". They are held in highest regard as the originators of all things and are worshiped in the community's utaki (御嶽). Ancestors living in the distant past, but not in the Usachi-yu – that is, ancestors living more than about 25 generations ago but not living with the gods at the beginning of time – are said to be living in Nakaga-yu, the "Middle Age". These ancestors are worshipped as collective spirits called futuchi (futuki), whose worship is focused usually in Buddhist temples. Other, more immediate ancestors are those who lived between the present day and the twenty-fifth generation into the past, a time period called Ima-ga-yuu, the "Present Age". They are those enshrined in the family home's buchidan, and it is these ancestors who visit on special occasions in the home and at the haka ("family tomb", v.inf). (Matayoshi/Trafton, 39, 41)


A Ryukyuan butsudan

The buchidan (仏壇 or ぶちだん) is the primary focus of ancestor worship. It is a space, usually a small closet, dedicated to the family altar and various memorial plaques featuring the names of ancestors. Incense and alcohol are offered to ancestors at the butsudan. In the Ryukyus the buchidan or butsudan (仏壇?, literally "Buddha Shelf") does not house a statue of Buddha but memorial tablets inscribed with the names of the family ancestors. The butsudan is placed in a room called the ichibanza (一座?, literally "first seat" and this room also serves as the guest room) . The practice of placing ancestral tablets in the butsudan is believed to derive from the influence of Confucianism. The butsudan is passed from generation to generation, first son to first son and only those who have inherited the parental house and carried on the main line possess a butsudan. The butsudan serves as the family gathering place on special holidays, e.g., New Year's and Obon. Normally the butsudan receives offerings of incense, tea, water and cooked rice. During festivals the butsudan is lavishly adorned with offerings of pineapple, mango, apples, tangerines, exotic tropical fruits, sugar cane, and rice cakes. During these times, families may occasionally offer alcohol in the form of sake or awamori.


The hinukan is a hearth god, represented by three small stones and usually located in the kitchen. As his name suggests, he is essentially a fire god, but more specifically is the guardian of the "family fire"; his worship is officiated by the family matriarch. A community hinukan, by extension, is the guardian of sacred communal fire; his worship is officiated by the community priestess (noro, v. inf). The hinukan, while he inhabits the family home, doesn't call it his own home, and in fact leaves to return to his home to celebrate the solar New Year (v.inf.). He may be compared with Jowangshin, hearth goddess of Korea.

Fuuru nu Kami

The fuuru nu kami, or "god of the toilet", is the family protector of the area of waste. The pig toilet, lacking this benevolent god, could become a place of evil influence and potential haunting (such as by an akaname,[1] or other negative spirits, welcomed by the accumulation of waste matter, rejected and abandoned by the human body). Because he is considered a primary household god, the fuuru nu kami's habitat (the bathroom) is kept clean and is perceived to warrant deferential behavior. Reports on the family's status are delivered regularly to the fuuru nu kami. He shares traits with the Korean bathroom goddess, Cheukshin.

At the tomb

A haka, or family tomb, of the turtle-back variety

Traditionally, periodic gatherings of the extended family occur at the family haka, or "tomb" (v. inf. for information concerning the traditional dates of these gatherings). The tombs resemble houses, complete with a courtyard (naa), family name markers, and "porch" upon which offerings are arranged. A common tomb style in many areas is the so-called turtle-back tomb (kamekokata), whose roof is shaped as the a carapace of a tortoise.[2] These tombs have variously been described as "horseshoe-shaped" or "omega-shaped" tombs by Westerners, but Okinawans believe they are shaped like a womb; the dead "return to the source".[3] Another very common type is the gable tomb (hafukokata), which appears like a small Okinawan house.

Inside the tomb is stored the cremated remains (funishin) of several generations of family members. Although responsibilities may vary on a case-by-case basis, generally it is the oldest male of a family whose financial responsibility is upkeep for existing tombs and establishment of new tombs once the old are full or should it be destroyed.

Various taboos exist in relation to the tomb. It is rude to point at a tomb, speak loudly concerning the dead around a tomb, or take pictures of a tomb without expressed permission. It is considered dangerous to desecrate a tomb with graffiti, by disturbing offerings such as flowers, or by damaging the tomb in any way. Also considered dangerous may be to approach a tomb without proper authority (such as relation to the family) or to visit a tomb at night.

During a typical extended family gathering at the tomb, incense, food, offering, and prayers are offered to ancestors, and then a picnic is enjoyed by those in attendance.

Especially important is the thirty-third year after a relative's death; at this point, the deceased individual is believed to have taken his place with all his ancestors in the afterlife.

Though not haka, the royal tombs of the Ryūkyū Kingdom are located at Tamaudun.

Other gods, goddesses, and spirits

The most-often worshiped gods are undoubtedly those of the home; however, especially powerful deities are revered by the community as a whole, and certain legendary creatures exist who are not worshiped, but are respected.

Community worship

A model utaki set up near Motobu in Okinawa

Community worship most often involves that of marine and mountain deities, who determine the success of agricultural, shipping/trade, and fishing pursuits. Community worship also includes chthonic spirits inhabiting rocks, trees, caves, and springs, who are respected with deference in their province (such as by not moving the rock, harming the tree, or entering the grove/cave) and receive offerings. Especially old or powerful ancestors act as local deities and inhabit an utaki, or "sacred place"; this is usually a grove, a spring, or a cave located near the village, entrance to which is sometimes restricted and sanctity of which is always respected. The most sacred spot in an utaki is the ibi and the area around it (the ibi nu mae). Only the noro may enter the ibi to make offerings and prayers on the ibi nu mae.

Examples of famous utaki are Sefa-utaki (the most sacred official place in the Ryūkyū Kingdom).[4] Legend has it that the goddess Amamikyu, who gave birth to the islands of the Ryukyus, descended here. From this sacred grove, people prayed to Kudaka Island, Okinawa's most sacred place. Once the inaugurations of the high priestess of the Shuri Court, kikoe-ōgimi, took place there.[5]

As mentioned, Kudaka Island is the site of many utaki.[6] Other especially sacred places in and around Okinawa include the area around Nakijin Castle and Gusukuyama (or Tacchu), a high, steep peak on Ie-shima.[7]

The line between kami, ancestors, and other spirits may be faint in community ancestor worship, such as when especially ancient ancestors are worshipped as with the same respect as other, never-corporeal kami. This is because "kami" is a broad term, meaning not only "god" but less specifically "concentration of spiritual energy"; thus, in the example of the especially ancient ancestors, they are treated as kami because of their power. Also, when a noro assumes the form of a god, she becomes the locus of this great energy, and thus is a kami. (Sered)

Negative spirits

Negative spirits in Okinawa are often referred to as "ghosts" in English, although they are not necessarily "ghosts" in the Western sense of the world (wandering souls of the dead). Those believed to visibly appear are usually the spirits of those who met especially horrible end or those who didn't receive proper funerary rites. As World War II fighting in Okinawa was particularly protracted and heavy, there are many tales of ghosts and haunted places with military-related origin stories. Other negative spirits are incorporeal chthonic beings classifiable between spirits of the dead and gods.

Negative spirits are believed to be irritated or angered by human presence. Negative spirits are responsible for accidents, illnesses, and deaths befalling those who have had contact with their habitation. Thus even today, haunted places are especially sacrosanct, to the point that many people refuse to develop perfectly suited properties or live next to beautiful areas because they have been judged to be inhabited by a negative spirit. An especially famous example of this is the half-finished Nakagusuku Hotel ruins that stand within walking distance from Nakagusuku Castle in Kitanakagusuku, which was abandoned during its construction as the result of several deaths both on- and off-site and still stands as it was; most Okinawan people will not go near the hotel.[8]

Places are determined to be haunted if people in contact with the areas encounter severe misfortunes. In this case, a yuta, or several yuta, are usually contracted to contact the offended spirit and determine both how the offending individual can recompensate for his trespass, and whether or not the spirit can be brought to terms with the aims of the individual for the spirit's area. Though the spirit can almost always be pacified, it many times cannot accept the disturbance of its space, and thus the area is marked by the community as forbidden territory for development or travel. A yuta, a Buddhist monk, or a Shinto priest may be called upon to banish the spirit.

Magical creatures

A shisa statue placed on a roof

The kijimunaa (or bunagaya) is one of the most famous of Okinawa's magical creatures. A sprite (Japanese yosei), the kijimunaa resembles a short young boy and features bright red hair.[9] They look somewhat like a Troll doll. Some say that only children or the pure of heart can see the kijimunaa. They may or may not be seen accompanied by fire. They live in the tops of Okinawa's gajumaru (ガジュマル, or banyan) trees; they are especially famous in the Yomitan area, where their images can be seen in many places. Kijimunaa are known for playing harmless pranks. Kijimunaa can also be helpful, but they are quick to change their minds. They enjoy fishing and eating fish. The only thing they fear is the octopus. Belief in kijimunaa is representative of the spiritual power of trees in the Ryukyu belief system.

Another of the most famous Ryukyuan creatures is the shisa ("lion dog"). Shisa statuary is used for its ability to ward evil from a place. Its appearance and function is Chinese in origin.

Representative of the power of the sea are dragons, who often make appearances in Ryukyuan legend. In the Irosetsuden, for instance, dragons display powers like those of gods, and live in their own undersea kingdom. The traditional Ryukyuan conception of dragon is largely similar to that of China, though myths concerning an undersea kingdom of powerful reptilian beings are common to Central and East Asian cultures (see Reptilian humanoids in mythology).


Mabui (まぶい), or "spirit", is a key concept in Ryukyuan religion. Mabui is the essence of the self, somewhat like the soul and somewhat like mana. Just as the soul in many traditions is immortal, so is mabui; also like the soul, one's mabui is one's defining characteristic, unique to the individual. The mabui of a dead person may cling to a living person, requiring a ritual of separation (mabui-wakashi) or a conveyance from the place of death to a proper resting place (suukaa). In a case of sudden death, an especially complicated ritual takes place in order to separate the mabui from where it is clinging (as though it still lived) and move it to where it can find rest. Like mana, mabui is transferable by contact: if a person is left his grandmother's wedding ring, that ring – as an effect often in contact with the grandmother and only the grandmother – will have taken on the mabui of the grandmother. One's likeness, whether rendered by photograph or any other medium, also contains one's mabui. Due to their young age, the mabui of children is not as attached to their physical body as that of old people.

Mabui can leave the body, resulting in mabui-utushi (まぶいうとぅし?, "lost mabui") with various physical results. The 2002 Okinawan film "Hotel Hibiscus" portrays many traditional Ryukyuan beliefs; among them, that of the loss of mabui. In the film, a young girl named Meiko loses her mabui after a fight with her father and a peaceful encounter with the ghost of her dead aunt. She becomes unresponsive, only coming out of her trance-like state to talk again with her dead aunt. This portrayal of the loss of mabui is somewhat accurate. Mabui can be lost as the result of fright, stress, loneliness, or helplessness, any circumstances in which a person suffers from a sudden shock or a lack of psychological/physical resources. A coma-like trance is one manifestation of the loss of mabui, but an extreme one. It seems that the loss of one's mabui manifests itself first psychologically, as depression or anxiety, and then physically as general lethargy or actual illness. Poor relationships – be they with the living, the dead, or incorporeal powers – also may result in the loss of mabui.

Two rituals are performed in relation to mabui: mabui-gumi if one has lost his mabui, and uchatou-mintou to stave off mabui loss. All prayers are offered aloud.


Performed as the result of the loss (or potential loss) of mabui. After being startled, while scared, or even after a sneeze, one says or has recited over him "Mabuya, mabuya, utikuyou" or simply "Mabuya, mabuya". One can also regain one's lost mabui simply by doing what one habitually does: sitting in one's favorite chair, sleeping in one's own bed, wearing favorite old clothing, or handling familiar, personal objects. More formally, a special ceremony can be performed by the family's matriarch at the place of supposed loss of the mabui. First, prayers are addressed to ancestors and household gods at the home, and then the place of supposed loss is visited. A fruit offering, an incense offering, and prayers of thanks are all addressed to ancestors. Then three stones from the place are tied up in clothing worn during the loss, and the matriarch returns home to make an offering of the three stones and a special meal of rice balls to the ancestors.

If the case is especially serious, a yuta (v.inf.) may be involved in the retrieval of one's mabui.


This daily ritual prevents loss of mabui, as well as prevents possession by foreign spirits, or kakaimun. It involves a morning offering of water and tea to household gods, along with prayers for a safe and easy day. In the evening, prayers are offered that describe the good works and characteristics of all family members. Incense is usually offered as well.


Kaminchu (or kamigutsu, 神人, かみんちゅ, "god people") are people specializing in Ryukyuan magico-religious practices, usually those involving incorporeal beings. Their social roles correspond to those of a shaman in that, depending upon their classification, they serve as mediums, especially influential prayer and offering performers, healers/guardians, precognosticators/fortune-tellers/diviners, and sources of mediation both within the living community and between material and immaterial beings. Although they may assist in the transference of the mabui of the deceased, they do not act as psychopomps, because they do not help guide a spirit out of this world and into the afterlife.

In the Okinawan language, shiji means the ability to sense, communicate with, and direct the power of ancestors gods.[10] Although men may display some of these abilities and often assist in rituals, women are the primary interlocutors between humans and spirits or gods in the Ryukyuan religion, therefore are highly respected.

Noro/Nuuru priestesses

The noro or nuuru priestesses are the oldest kaminchu in the Ryukyu Islands. They communicate with, make offerings to, and, at times, channel ancestors, local gods and more powerful deities. Their primary duty is to officiate at communitywide (that is, "official") festivals and rituals.[10] These rituals take place in a sacred space, usually in a grove (or ong), at a cave or by the sea. Men were forbidden to enter these sacred spaces (v.s. for more information concerning community worship). Another of their primary functions was the protection and fueling of the communal fire, which was used to establish new households. The noro also would perform divination to determine the best days for sacred ceremonies, for social functions such as marriage or funeral, and for agricultural pursuits (Kerr 33). Land was set aside for the use of the noro, who when local was called niigami and was the sister of the nitchu, the head of the oldest (or, later, most powerful) family in the community (called niiya). The noro was expected to remain a virgin. She was aided in her sacerdotal duties by a girl from every household in the community. The symbols of the noro are her white vestments and beads, often including a sacred, comma-shaped stone, the magatama.

On smaller islands, idiosyncratic noro traditions persist. On Kudaka, for instance, people believe in a "priesthood of all women", and all women serve the gods from age 31 to age 70. Their initiation rites, Izaiho, was held every twelve years, and women were initiated between ages 31 and 40. Due to the absence of women of the representing age the last Izaiho was held in 1978.[11]

According to George Kerr in his Okinawa: the History of an Island People, the noro was at one time a priestess-queen, wielding both political and spiritual power within her community. Chinese records of the Northern Wei dynasty described the political power of the noro in much the same way Caesar described that of the Druids: influence over spiritual powers was used to wield judicial and martial influence over men.[12] One noro, Pimeku, even attempted to forge a kingdom of independent islands (Kerr 31). The Ryukyu Islands are described as queen islands in Japanese records as well. Gradually, however, the noro's role as ritual leader and religious consultant became independent of her role as political leader, perhaps as the result of sharing more and more power with her male relatives in order to deal with an increasing demand for her ritual services. The noro became more priestess than queen, though they still possessed some measure of political influence, as they eventually came to wield royally sanctioned religious authority through appointments first begun by the Ryūkyū king Shō Shin (Kerr 110). These appointments were primarily from local powerful families, to serve at their local sacred sites throughout the main island of Okinawa; this system of appointment also served Miyako Island and the Yaeyama Islands. The system was an attempt to bring under royal control the autonomous centers of power that were the noro priestesses. The association of the noro with political power persisted even until the late 19th century in the outer islands (Kerr 32).

Noro today can be seen on Okinawa at many festivals, most notably in Shioya[13] in Ogimi Village and Iheya[14] during the Ungami/Unjami festivals of July (Lunar Calendar).


Yuta (sanjinsou, "tremblers"; Yonaguni monoshiri, "one who knows"; Miyako kamigakariya, "one who acts as a home for the gods") are individuals who claim to possess an especially strong ability to communicate with the dead. The name "yuta" was originally pejorative, derived from tokiyuta, or "one who deceived"; indeed, since the establishment of a united Ryūkyū Kingdom, their practices have been discouraged and repressed. They are employed in response to psychic disturbance or the possibility thereof. Whereas the noro is the official spiritual guide of the whole community, the yuta deals personally with families and individual paying clients to determine what spiritual circumstances have brought about or will bring about good or ill. They also see, channel, and communicate with the spirits of the dead in order to find out what is necessary to establish harmony in the lives of their clients. Because of this ability to interact with ancestors and solve daily problems, the yuta is probably the most influential of the kaminchu today, someone to be respected and somewhat feared.[10] The yuta ability to channel the spirits of the recently dead, kuchiyose or migusou, is especially painful to her; however, this is one of their most common activities, as it is messages from and needs of the most recently dead that are often of greatest concern.

95% of yuta are women, according to Matayoshi/Trafton in their book, Ancestors Worship. They use certain rituals, dream analysis, and knowledge of case history in combination with contact with spirits. They often act as counselor, solving intra-family problems that may be generations old by talking with family members both living and dead to find the roots of issues. These issues can range from a child's poor school performance due to lack of parental attention, to an individual's alcoholism being the psychological result of the neglect of certain ancestors. Yuta also possess the ability to call and banish spirits, and thus are employed in cases of clinging or angry spirits ("hauntings" or "curses"). Many may possess the power to predict disasters such as earthquakes and typhoons, or may display other powers, such as healing or divining the location of wells or lost/stolen objects.

Yuta often notice their abilities early in life, and usually have had some significant suffering in their childhood. The abilities to interact with the dead and solve family problems are discovered or developed through this trauma. Problems may also arise through the rejection of the call to be a yuta; these are called tatari ("punishments"), the period of suffering during which a yuta discovers the spirits which have called her into service. Yuta may emphasize various Buddhist beliefs, such as that of not being able to call forth those spirits who have obtained Buddhahood.

In Religion and Folklore of Okinawa, Kanhan Teruya divides yuta into various categories. Three are yuta dealing with spirits from the "Present Age" (v.s.), those dealing with ancestors who died in the "Middle Age", and those dealing with gods and Ultimate Ancestors. Some yuta are gamu mawari senmon, or those concerned with the use of caves. Some only arbitrate or advise. Also, yuta tend to either perform rituals anytime they are needed, or use only the Chinese zodiac days of the Tiger or Ox. (Teruya 255–256; quoted after Bollinger)


Other classes of people wielding spiritual power in the Ryukyu Islands include the ukuri, or family priest/priestess; the usagiyaa, a prayer specialist (though lacking the power of the yuta or noro); and "book people" (shimuchi), various kinds of fortune-tellers that usually refer to charts and published interpretations of signs. Yuta and shimuchi may keep a suumun, a special box in which their fortune-telling guides are kept. Somewhat less important are Buddhist and Shinto clergy, who are generally only consulted for weddings, funerals, or on certain holidays associated with those religions (such as solar New Year activities). In the case of weddings, even Christian clergy may be called upon to officiate. Viewing of or participation in rituals may be forbidden to outsiders.

Religious calendar

Most Ryukyuan festivals, observances and rituals are held on dates decided by the lunar calendar. Festivals common to Japan, like Obon, are held, along with those that are uniquely Ryukyuan.

Ryukyuan mythos

Nirai Kanai

"Nirai Kanai" redirects here. For other uses, see Nirai Kanai (disambiguation).

Nirai Kanai is the mythical place from which all life originates. It is worshipped facing eastward[15], and is fabled to be Kudaka Island. Gods from Nirai Kanai are said to have brought different crops and tools to the Ryukyuan people at different times.

"Nirai Kanai" is referred to in the Irosetsuden as the underwater realm of the Dragon or Sea King (Ryuuguu).

Ryukyuan creation myth

According to Chūzan Seikan, the Heavenly Emperor (天帝) who lived in the Heavenly Gusuku (天城) ordered Amamikyu (阿摩美久) to create the Ryukyu Islands. She descended to Earth on the spot of Sefa-utaki, and later built Tamagusuku Castle. Without sexual intercourse, she became pregnant and populated the islands. Some generations later, a "heavenly grandchild" named Tentei was born, who split Ryukyuan society into five classes with his three sons and two daughters: the first son was Tenson, who became the first King of Ryukyu; the second son became the first Aji; the third son became the first farmer; the first daughter became the first royal noro priestess; and the second daughter became the first village noro priestess.[16]

Objects of power

Various objects of power exist for Ryukyuan people; amulets are called munnukimun.[17] Some of the most commonly seen are those purchased at Shinto shrines, such as charms for luck and safety. Others are of indigenous Ryukyu significance.

The origins of this custom are not clearly pinpointed in history however; Ishiganto dating back to year 770 in China have been discovered during the reign of the Emperor of the Tang Dynasty. Based on this information it is generally accepted that the practice of using ishiganto spread throughout China during the late eighth century. The best guestimate researchers today have is the ishiganto was introduced to the RyuKyu kingdom during the middle of the fifteenth century. It then later spread to Japan at the end of the sixteenth century all the way north as far as Aomori, Akita, and Hokkaido. (Takahashi & Matsui, 2011)

Ishiganto are extremely prevalent in the RyuKyu archipelago. The largest numbers of these stone tablets are located on the main island of Okinawa. Generally older traditional ishiganto in Okinawa are place 20-30 centimeters off the ground. This is done to ward off evil spirits that enter the area by crawling on the ground. Presently it is not uncommon to see an ishiganto embedded in the middle to upper part of a wall. Kikai-jima (island) is known to have a triangular like font that is very comparable to a Japanese chess game called shogi. Today ishiganto are still being made and are in demand. There are stone companies on Okinawa that still make a traditional ishiganto. Other versions of these tablets are sold on line in a much cheaper fashion and are generally mass-produced. (Takahashi & Matsui, 2011)

A description of talismans from the source cited above:

Salt is often placed at corners and in doorways to ward away evil.

Works cited

See also


  1. Aka-name ~ 垢舐 (あかなめ) ~ part of The Obakemono Project: An Online Encyclopedia of Yōkai and Bakemono
  2. Allan H. Smith (Apr 19, 1960), "The Culture of Kabira, Southern Ryūkyū Islands", Proceedings of the American Philosophical Society, 104 (2): 134–171 JSTOR 985656 (pp. 170-171).
  3. Glacken, Clarence. The Great Loochoo: A Study of Okinawan Village Life. University of California Press, Berkley, 1955. Page 246–247.
  5. Gusuku Site and the Related Properties of the Kingdom of Ryukyu
  6. "Okinawa Hai » Kudaka Island". Okinawa Hai.
  7. Gusukuyama (Ijimatacchu)
  8. "October - Motels, Hotels, and Other Spooky Things".
  10. 1 2 3
  11. ja:イザイホー
  12. Caesar 6.13–14, Kerr 31
  13. Festivals and Rituals Of Okinawa – Shioya's Ungami Ritual (Unjami)
  14. MACHINAMI : Iheya Island
  15. ja:ニライカナイ
  16. Glacken, Clarence. The Great Loochoo. University of California Press, 1955. Pp 29-30.
  17. Okinawa Shisa Travelogue
  18. Miyagi Island
  19. Ikei Island
  20. Tsuken Island

Selected bibliography

External links

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