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石長姫 ()

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Youkai Mountain

Print Works

Iwanagahime (石長姫) is mentioned in Chapter 4 of Cage in Lunatic Runagate by Keine Kamishirasawa when asked by Fujiwara no Mokou what the source of the smoke from Youkai Mountain was. In chapter 26 of Forbidden Scrollery she is called plain looking, but a symbol of permanence, contrary to her sister who is lovely and a symbol of transience. Akyuu prays to her in hopes of extending her lifetime.


Cage in Lunatic Runagate

According to Keine, Iwanagahime is a goddess of immortality and the older sister of Konohana-Sakuyahime. Long ago, the two sisters held a contest to see whether Fuji or Yatsugatake was taller. Yatsugatake won, but Sakuyahime couldn't stand there being a mountain higher than hers, so she broke apart Yatsugatake. However, since Iwanagahime was tired of her sister's attitude, she moved to Yatsugatake, causing Fuji's inextinguishable flame to disappear since Iwanagahime had control of the unchanging.



Sakuyahime is the younger sister of Iwanagahime.

Minor Relationships

Fujiwara no Mokou

Mokou states, in the fourth chapter of Cage in Lunatic Runagate, that one day she wants to travel to the top of Youkai Mountain to explain and apologize about becoming immortal to Iwanagahime.

Official Sources

Official sources