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ERA

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ERA

Kikai-ga-shima (Iwo Jima): Heike Era Volcanic Exile Island

Satsuma Iwo Jima in Mishima Village, Kagoshima Prefecture, is the most likely identification of "Kikai-ga-shima" — the volcanic island where [Shunkan](/learn/article-ruzai-shunkan), Taira Yasuyori, and Fujiwara Naritsune were exiled in 1177 after the Shishigatani Conspiracy. Active volcano, sulfur fumes, and isolation made it the embodiment of "demon's realm." Source of the famous Noh play and kabuki drama "Shunkan."

Kikai-ga-shima (“Demon’s Realm Island”) — most likely identified as Satsuma Iwo Jima in modern Mishima Village, Kagoshima — was a volcanic island in southern Japan where Taira no Kiyomori sent the conspirators of the 1177 Shishigatani Plot: Shunkan, Taira Yasuyori, and Fujiwara Naritsune. The active volcano spewing sulfur was thought to be a literal “demon’s realm” by medieval Japanese, and Kiyomori chose it for both geographical isolation and psychological terror. When the 1178 amnesty came, Yasuyori and Naritsune were pardoned but Shunkan was deliberately left behind, dying alone on the island the following year. The scene of Shunkan running after the departing ship crying “Take me too!” became immortalized in Heike Monogatari, the Noh play “Shunkan,” and kabuki adaptations.

Last updated: May 2, 2026

Satsuma Iwo Jima — most likely Kikai-ga-shima, active volcano

Wikimedia Commons / CC BY-SA 3.0

Heike Monogatari scroll — including Shunkan's tale

Wikimedia Commons / Public Domain

Noh play Shunkan — masterpiece set on Kikai-ga-shima

Wikimedia Commons / CC BY-SA 3.0

Itsukushima Shrine — where Yasuyori's prayer sticks washed ashore

Wikimedia Commons / CC BY-SA 3.0

Volcanic island — what medieval Japanese saw as a demon's realm

Wikimedia Commons / CC BY-SA 3.0

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