Supernatural high school AU - Percy grew up as a normal boy, until he comes into his heritage from his father's side. He's a merman. After Poseidon realizes Percy is being abused by his stepfather, he takes custody. Now Percy has to live with his stepmother and half-siblings and he has to go to a creature-school, where he meets a vampire named Nico. vampire!Nico/merboy!Percy slash

Poseidon knows about Gabe. He saves Percy from the abuse, but he can't raise Percy, knowing Amphitrite or Zeus would kill him. So he makes a deal with Hades. Hades hides Percy and Percy will one day become the consort to one of Hades' children. Percy grows up in the underworld and is send to camp to help Bianca and Nico in the Sea of Monsters. Nico/Percy slash mpreg Nicercy

High school AU - Instead of camps, the demigods attend a boarding school at the foot of Mount Olympus. Its power is evenly balanced - Greeks have Thalia and Percy, Romans have Hazel and Jason. That balance tips when Hazel brings her two half-siblings back from the dead though. How will Nico and Bianca adapt? How will life at Novus Olympus change? Nico/Jason/Percy slashy threesome

Human experimentation gone wrong created human-animal-hybrids, so called Humas. After great wars and rebuilding the world, Dog Humas rule over the US. Submissive Cat Humas are kept as pets, for their own protection, or so Dog Humas say. One day Nico, Dog Huma and top lawyer, realizes his errand boy Percy is a Cat Huma pretending to be human. dogboy!Nico/catboy!Percy slash Nicercy

Alien AU - Nico is an astronaut and on his mission to find a habitable planet, he crash-lands on the far away planet of Atlantis. Percy, who has always been fascinated by Earth and its culture, decides to personally take care of Nico. How will Nico react to meeting an alien - and such a gorgeous one at that? Nico/Percy slash Nicercy

In a world where Luke started dating Octavian during the Titan War and then survived said Titan War, both blondes seem to have a shot at happiness. One problem: During months of recovery, Luke fell in love with Percy while Octavian thought he was dead and then slept with a memoryless Percy during the Giant War. Will there be room for Percy after the war? Octavian/Luke/Percy slash

Percy is an Easter Bunny. When he's hurt on a mission, he's found and nursed back to health by Nico, a rich lawyer who organized a charity Easter Egg hunt in Central Park. Accidentally, Nico catches the fluffy bunny in his hybrid form - a cute human, with floppy ears and a cotton tail... Nico continues taking care of Percy until they fall in love. Nico/Bunny!Percy slash Nicercy

Fantasy AU - Nico is a deer-shifter and king of a great forest. After a fire, he relocates his herd and on the way, he encounters a feisty submissive and saves him. Percy does not approve of being saved. After the rocky start, will traveling together bring them closer...? deer!Nico/deer!Percy slash Nicercy

Camp Half-Blood crowns the Nico their 'Dick King', as the 'biggest' camper. Afterward, Percy starts acting strange around him so Nico spies on Percy's dreams and finds out that it's not out of spite but because Percy is a size queen. Time for the king to claim his queen. Nico/Percy slash Nicercy

Mortal AU - Percy is a baker and his life turns upside down when his apartment building burns down. Nico is the fire fighter who saves him and when Percy brings him a thank you cake, something starts between them. Only, they're both a little slow on the intake and a lot awkward on the courting. Nico/Percy slash Nicercy