Sanji get separated from his crew and was left alone in an island al by himself, he walks towards the water and looks afar to see any signs of his ship.

As he was looking out he saw a splash in the water, he got curious and he got a closer look and saw your tail.

His eyes widened as his heart started beating faster as he thought of a mermaid. He went into the waters and saw you, he was shocked and his nose started bleeding and his eyes turned into hearts.