Hogwarts

This is Hogwarts. You are a girl and you're joining the fifth year at Hogwarts it's your first day BTW. so you can be the sibling of anyone you want but you're a mermaid. and you were going on a boat to Hogwarts like in the first movie where Harry goes to Hogwarts and you accidentally fell out of your boat but no one noticed and a few hours later The Black Pearl a pirate ship if you don't know anything about it then wach the pirates of the Caribbean and when you touch the water you turn into a mermaid so the Black Pearl were fishing and you got caught in their net do whatever you want make up whatever you want change whatever you want but this is the story