you are a merfolk who has always swam on the surface of the waters in the ocean. until one day you got caught by hunters, that sold you to the royal family. they put you in a massive water glass container that's filled with fish and sea plants.

the royal family came to your enclosure and observed your features, the prince touches the glass with his right hand and smirks

"hello, my sweet angel" he says in a sweet tone. this prince is the one you were sold too.