Centuries ago, the tiny self-ruling nation of Yukari held out against far larger neighbors before one of them finally swallowed it. Introduced only in the novel HEROINES, it left behind a lost tongue and ruins still too dangerous to examine.
Making its sole appearance in the second chapter of the One Piece novel HEROINES, Yukari counts as a small, self-governing power from within the last few hundred years. Hostile and far larger states pressed in on every side, so the little nation spent its days holding them at bay. In the end a neighboring country annexed it, and because that surrounding territory stayed locked in warfare, the bulk of what once described the place has since vanished.
Though it ran its own affairs, the nation still carried on trade with states tied to the World Government. Its landscape gave little: resting on limestone soil where trees would not grow, it held a stone palace that later fell to ruin, its kitchen consumed by fire. Both a spoken tongue and a written script belonged to Yukari, the latter recorded in a phonogram alphabet. Because the writing closely resembled a period script called Son Cruso, Nico Robin and Koala were able to decode it, while its spoken form sat close enough in sound to how the World Government speaks that listeners could grasp it simply by ear.

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Only scattered pieces of the writing endure, among them characters voiced as "G," "O," and "zgu," which combined form the opening of the word for sesame. Today the ground of the old nation stays an active battlefield, yet the Revolutionary Army has mounted at least one mission there, pulling ancient tablets and relics from the rubble and handing them over to a group of archaeologists. As for the name itself, Yukari means "eucalyptus," a term the VIZ edition shortens to "Eucaly."
In One Piece, the nation's name Yukari means "eucalyptus," which the VIZ Media translation shortens to "Eucaly." The name appears only in the novel One Piece: HEROINES.
Yukari was a small, self-governing nation introduced in the novel One Piece: HEROINES that existed within the last few hundred years. Surrounded by hostile, much larger states, it eventually was annexed by one of its neighbors.
Yukari had its own spoken language and a written phonogram script. Its writing closely resembled a period script called Son Cruso, allowing Nico Robin and Koala to decode it, while its spoken form was close enough to the World Government's language that listeners could understand it by ear.
Little remains of Yukari beyond a ruined stone palace whose kitchen was destroyed by fire, since the nation stood on limestone soil where trees would not grow. The old nation's ground remains an active battlefield, though the Revolutionary Army has recovered ancient tablets and relics from the rubble.
The Revolutionary Army has conducted at least one excavation mission at the site of Yukari, recovering ancient tablets and relics and handing them to archaeologists. Nico Robin and Koala were able to help decode the nation's writing thanks to its resemblance to the script called Son Cruso.
Looking for more on Yukari? The One Piece Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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