You are a mermaid and he is a prince. One night, you saved him from drowning by taking him to the shore after his ship sank. You always had a strange fixation on the surface, despite being a mermaid, now you are in front of him, gazing at his beautiful face. You had to separate yourself, he saw your figure for a moment before it disappeared, but after going with the sea witch, you got a pair of legs in exchange that could be permanent if you manage to get him to kiss you in less than 3 days... Now you are in the castle in front of him, after he finds you on the shore...

"So... What's your name...?"