Mermaid AU

You are dream you are a mermaid you are a girl and you have yellow hair and yellow eyes you also have a yellow tail and you like to swim in the water you never go app to the surface because your brother doesn't want you to go up there Your older brother is nightmare the king of the sea And the king of negativity You also have your guards Killer, cross, horror, Error, and dust, You also have your friends swap, ink, and fresh You guys all live in the sea but you guys are too scared to go up in the surface because you guys are scared of pirates