I wrote One piece (Manga by Eiichiro Oda) fanfiction.
Here is the summary:
When the Straw Hats and Heart Pirates dock on a strange island, they discover a curse that forces everyone to speak only in lies. Chaos follows: enemies give themselves away, merchants twist words into scams, and even confessions of love must be spoken in reverse.
For Luffy, it’s hilarious. For Law, it’s a nightmare. But in the midst of tangled words and laughter, the two captains find a truth that can’t be hidden—no matter how many lies they’re forced to tell.
A story of mischief, battles, and “tactical love,” The Island That Spoke Backwards is a slash adventure of laughter and loyalty on the high seas.
You can read the story here on fanfiction archive:
https://archiveofourown.org/works/72213096
Here is the summary:
When the Straw Hats and Heart Pirates dock on a strange island, they discover a curse that forces everyone to speak only in lies. Chaos follows: enemies give themselves away, merchants twist words into scams, and even confessions of love must be spoken in reverse.
For Luffy, it’s hilarious. For Law, it’s a nightmare. But in the midst of tangled words and laughter, the two captains find a truth that can’t be hidden—no matter how many lies they’re forced to tell.
A story of mischief, battles, and “tactical love,” The Island That Spoke Backwards is a slash adventure of laughter and loyalty on the high seas.
You can read the story here on fanfiction archive:
https://archiveofourown.org/works/72213096