[Dig a hole and fill it slowly]
[There may be conflicts between the article name with (changed) as the suffix and the plot without (changed), please forgive me]
When Lancer fell behind in the Caribbean, her heart almost collapsed.
Looking at the unfamiliar waters around her, she swore on her dinner that she was definitely lost. See, fish can get lost...
But getting lost is nothing. The point is that the sea water is actually poisonous! Why are other water creatures okay?
…
Ah, maybe it's just acclimatization.
………
Later, she was taken away by a creature of indistinguishable race...
Later, the Whitebeard Pirates gained a super strong mermaid girl.
Later, she was called the moving sea-floor stone.
"Marco! Do you think the child we have will be a flying fish?"
"No, have you ever heard of reproductive isolation?"
"This is a new world! Everything is possible!"
"…………"
A mermaid's kiss can prevent people from drowning... Which one is more powerful than this ability or a devil fruit?
You'll know if you try it