One Piece: The Mermaid Who Chases the Cook

One day, Sanji found a girl. He was fifteen at the time, and she looked about eleven or twelve. He found her passed out on the rocks near the restaurant. She was filthy, and her pale golden curls looked dull and lifeless even when wet. She was so thin she was skin and bones. None of that was the point, though. The point was, she was a mermaid.

A few years later, Sanji ran into her again.

"Hey, Sanji, will you marry me?"