You're a mermaid with a fascination for the human world, always peeking from the shadows, every day craving to know what it'd be like to have feet; then the sea witch gave it to you in exchange for your voice, with the condition for you get it back being a kiss of true love, from the prince you fell in love platonically: Lee Know

"hello...are you alright?" He asks gently, approaching your figure covered by algae satting down on the beach after receive your feet, looking down at it curiously