The Siren's Call is the sex-shop where Percy works and that Nico frequents. Nico's a rich dom who likes to spoil his subs. Percy, at first lured in by Nico's looks and attitude, falls in love over the months. Nico goes to the shop, not for the toys but for the boy behind the counter. The problem? Nico is under the impression Percy already has a boyfriend. Nico/Percy slash Nicercy

There are different parallel universes and the crew of the Argo II gets to travel those worlds. Worlds like, what if Percy had turned to the titans? What if the children of the underworld had met in the 30s? What if Percy had ran away from Gabe as a child? What if Mortals still believed in the Greek gods? Nico/Percy slash Nicercy

Just a short post "Blood of Olympus" scene between Will and Nico in the infirmary. As in, after a few months, Will is getting real tired of Nico's woe is me attitude and decides to take matters into his own hands. Nico/Percy slash Nicercy

Nico works all the time. His worried sister Hazel suggests that he should get a pet, so his apartment and life won't be so empty. She herself owns an adorable catboy named Leo, thus pushing Nico to get himself a kitten too. Nico gets two kittens, because there's this mated pair that really catches his eyes. Nico/Jason/Percy slashy threesome

Tartarus split the souls of Percy and Annabeth, keeping a part. Nico returns to Tartarus to free them and when nursing Perseus and Annie, as the doppelgangers prefer to be called, back to health, he gains a boyfriend for himself (and a girlfriend for Reyna). When introducing Percy to Perseus, he gets a surprising outcome though... Nico/Perseus/Percy slashy threesome with selfcest

Sequel to "Spoils of War II"! With Clarisse and Percy on the side of the rebels, the balance is off in favor of the titans. When they win the war and banish the titans, how will life treat the new Big Three - Percy, Luke and Nico - and their respective consorts? Percy, king of the ocean, lives with Clarisse and Chris as merpeople under the sea. Chris/Clarisse/Percy mpreg threesome

In a world where animal-hybrids are sold and treated as pets, Nico fights for their rights. He and his sisters try to save at least some by taking them in. So when Nico runs into a teen with black floppy ears and a cottontail, he knows he has to save Percy Jackson too. Nico/bunny!Percy slash Nicercy

Sequel to "The Vampire Lord's Pet"! - Nico is building his own pack and adopting Trend, an orphaned cub. Percy too wishes for a legacy by taking in the human boy Derek, to train and raise before he gets the Bite one day. Then there's the pack that had attacked them in California, a rough vampire named Leroy who abuses wolves and the joys of parenthood. Nico/Percy slash Nicercy

After the Giant War, Percy wants to start a new life in Australia. Worried for his safety outside of the gods' reach, Poseidon sends Triton to keep an eye on the demigod. Triton poses as Percy's teacher and coach and makes Percy fall in love with him. Which had been Triton's plan all along. But can Percy forgive him for lying? Triton/Percy slash mpreg

Mortal AU - Nico is the head of the mafia, who goes to Rikers Island to teach a rat a lesson. Percy got framed for murder by his stepfather who screwed over the mafia. When Percy nearly gets gang-raped, Nico is there to safe him. After that, Percy's life changes drastically. Nico/Percy slash

It's the fifth anniversary to the end of the Giant War and the Seven plus Nico and Reyna decide to go on a camping trip. If only Jason and Nico would stop fighting over Percy's attention, not that the son of Poseidon notices. Only when they reach the beach and Percy learns that his cousins can't swim do things change. Nico/Jason/Percy slashy threesome

In their world, males who can carry children are sold as slaves for pleasure. King Nico breaks the rules by marrying his carrier, Percy. He learned respect for all humans from his mentor, King Matthew. When Matthew dies, Nico wants to help Matthew's son Derek to become as great a king as his father had been. Trend/Derek/Sam, Nico/Percy, Sander/Donny slash mpreg

Nico is 10 when he meets a cat with sea-green eyes and black fur on his mother's funeral. He's 12 when he decides to keep the kitten he named Percy. He's 16 when he witnesses how Percy turns into a catboy for the first time. He's 17 when he falls hopelessly in love with his demon cat. Nico/Percy slash Nicercy

Apollo is bored post Giant War, so he decides to play a prank on Percy. Pose as the boy's music teacher to see the look on his face when he realizes his teacher is the god of music himself. He had not been planning on falling in love with Percy. Then again, he also hadn't planned for Percy to be such an amazing pianist. So it wasn't completely his fault. Apollo/Percy slash

Nico is a social outcast at Atlantis High. Percy is the golden boy, star of the swim-team, always with a brilliant smile. To hide the abuse from his stepfather Gabe. What happens when Percy is assigned with Nico as his tutor so he won't have to drop out of the swim-team because of his bad grades? What will Nico do when he learns the truth? Nico/Percy slash Nicercy

Percy's mother dies and he doesn't want to stay with his abusive stepfather Gabe, so he tracks down his biological father Poseidon. Who is living with his boyfriend Hades di Angelo, his own sons and Hades' four children. Percy has to adjust to all the new things and to the feelings he developes for his not-quite-stepbrother Nico and his boyfriend. Nico/Jason/Percy slashy threesome

When Percy turns 12, he gets a dogboy from his mother as a companion. The puppy's name is Nico and they soon become best friends. When Percy turns 16, he gets his first kiss from Nico and they become boyfriends. When Percy turns 18, Nico and Percy share their first time and Percy will forever be grateful for the present he had gotten when he was 12. dogboy!Nico/Percy slash Nicercy

13 years after the Giant War and most of the great heroes have settled down and started families. Jake and Will want that too now, but they're not sure how. They want to adopt, but how do you pick a child? That sounds awful. So Nico, being a good friend, helps them a bit. Seeing how happy Nico is with his family was what made Will want a family the most. Jake/Will and Nico/Percy

Nico goes to Comic Con with his friends, cosplaying Bucky Barnes. It's fun until he sees a genderbend Avatar Korra cosplay. The boy is very distracting (that shirt shows off arms nicely), causing Nico to run into a wall. Or three. But who's counting? Percy is, because he grows increasingly worried for the clumsy Winter Soldier. Or: Cute dorks cosplaying. Nico/Percy slash Nicercy

Piece of my headcanon universe! - A year has passed since the Giant War and Percy is ready to move on. He moves in with Leo, getting an apartment in New Rome where they start college together. Originally, he moved there for his first boyfriend Mike, but after things fell apart, Percy has to learn to deal with break-ups too. Maybe a certain blonde can help him. Octavian/Percy slash

A car accident during his last high school year leaves Percy paralyzed from the waist down and highly depressed. There's no way to save his legs anymore, but an unlikely source brings an unlikely solution - Triton offers Percy to turn him to a merman and to start a new life. Triton/Percy slash and mpreg - Starts very sad, but ends very happy

Mortal AU - Nico is seventeen and attending high school. He has a few good friends and the most amazing boyfriend ever. The problem? Said friends don't believe that said boyfriend is real, because something always came up when Nico wanted to introduce them. They don't believe anti-social Nico could get a hot college boy. But Percy knows how to change that. Nico/Percy slash Nicercy

Reality and time start melting away. Suddenly time turns back for some, turning Percy and Nico into little children, other realities bleed in, turning Rachel into a demigoddess. Those left hide on the Argo II. Through a crack in reality, a flying ship enters, on board Bianca, Savior of Olympus. How will they save the world together? Nico/Percy & Bianca/Annabeth

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

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