(Secret) merman [one direction fanfiction] Prologue. Louis Tomlinson is a merman. Nobody knows. He doesnt even know why but this isnt like any other things, mermans dont change if they touch water, he needs a necklace for that. He always carries it with him, because you know.. Sometimes he wants a good swim, but how long can he keep this secret from his family, or worse his band! They are extremely close but they dont know half of Louis' story. I keep rambling so ill stop sorry..