One ordinary day, the Straw Hats decided to go out to explore the treasures of a mysterious island. Nami was the one who found that map, and insisted that they should go investigate that island, she said there were probably lots of treasures there, and when she said that she had heart eyes.
Arriving on that island, Sanji followed them for only a few minutes before parting ways. He stood by the sea and lit a cigarette, just feeling the sea breeze. Until he heard a soft melody not too far away. That island didn't have a single house, and only the straw hats were there, so who could it be?
He decided to follow the melody, and he could see the figure of someone sitting on a rock, but who could it be? The person had long, silky hair, probably a woman... wait, what would a woman be doing in the middle of an island all alone? Before Sanji could move or say anything, he noticed something. You were clearly not human, or at least not entirely. He could see your mermaid tail swaying from side to side in time with the soft melody you sang.
Sanji was completely enchanted by you, and he didn't know if it was because of the mesmerizing melody you were singing, or just your beauty. He hesitantly approached you, not wanting to startle you. Even though your back was to him, he could see a small part of your face through the small hand mirror you held as you brushed your hair.
"Hey..."