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Amon Nagi wakes up ten years in the past in the world of One Piece and becomes a roaming merchant who sells only mysterious jars.

For every ten jars he sells, he earns one exclusive jar for himself, each containing powers, skills, or artifacts from countless worlds that can completely change a person’s fate. From Foosha Village onward, legends, emperors, and future Supernovas all benefit from his jars, gradually twisting the course of history.

Ten years later, when Luffy sets sail to find One Piece, he discovers that the whole sea is no longer obsessed with Roger’s treasure, but with the scattered jars Amon left behind.