Known all over the lands for his infamous piracy, and vast riches, he and his crew venture into the deep ends of the ocean with high hopes, and heavy burdens. "Heave 'er up!" the raspy voice shouted, a single gold tooth flashing among the crew mates pearly whites. The pulley strained at the sudden weight, slowly wheeling in their 'catch'. What caught their eyes was the bright scales shimmering from the male's torso to the thin fins that would usually be their feet. "It's not a lass, but a wee lad!" one shouted, resting his good eye on the shivering boy that was caught in the loose tangles of the fishermen's net. "And a siren, at that!" a younger voice added, his voice seeming to alert the ones above deck. Golden heels clicking against the wooden planks, a man of extreme pride and glistening figure had made eye contact with the mythical creature for the first time. A charming grin was all it took for the siren to jump. His hair stood up like the pines on a tree, his hands quivering as he tried to get out of the net. He had made a big mistake, he should not have entered the deep end.

this is billdip siren au obviously sorry I'm not good a descriptions.. ..hope you enjoy the story! --Comments are loved and appreciated-- I don't own gravity falls or any of its characters Also there will be no smut sorry-notsorry

Bill Cipher was the most mysterious pirate that sailed the seas. No one know his past. No one knew where he came from, he had just arrived one day. He knew the sea better then any other pirate. Every nook, every crany. He knew it all. But yet he longed for something that had been taken from him. Dipper was a siren. Not a normal one. He was an outcast at his home. An orphaned siren was about as good as a cup to the other sirens. Dipper only had one thing from his parents, a singing voice that could drive even a siren to insanity. Which is why he never sang around anyone. Never.

Sirens and mermaids are so similar yet so different, they live in the same colonies and share the same tastes. The differences are in scales and abilities. Dipper is a siren, a beautiful voice to lure sailors to their deaths and valuable scales. Mabel is a mermaid, full of looks to rely on but have the ability to walk on land. Dipper dreams of the surface while Mabel prefers to stay beneath the water, but after a harsh fight, dipper gets his wish to visit the surface, just not in the way he imagined it. See secrets revealed, friends and enemies made and a powerful demon who's goal is to control everything around him.

Ok this is my first billdip AU Dipper is a siren Bill is a ruthless pirate What happens when the two meet? Will they fall in love Or die loving each other