It's a Wonderful Life AU. When Nico di Angelo's attempted suicide is thwarted by a redhead who nearly drowns and later on declares herself to be his guardian angel, Nico doesn't know just how much his life is about to be changed. Kind of Nico/Rachel-ish. Oneshot. For Anna.
When Annabeth and Percy first became friends, they became pen pals and sent each other a bunch of letters during the school year. Years later, and they never stopped. Oneshot, Percy/Annabeth
Like many other things, it's Percy and Annabeth's fault why the Hedge hologram on Buford keeps yelling "PUT SOME CLOTHES ON!" Or: a continuing saga on how Percy and Annabeth can't make out in peace. Percy/Annabeth, oneshot
Medical!AU where Nico is the medical examiner working the graveyard shift, Annabeth is his Sherlock Holmes-level asshole of a coworker, and Will is the stereotypical hot doctor who's actually about as straight as a boomerang. Solangelo Oneshot
There is something frighteningly tangible about all her dreams involving Percy Jackson. 6 instances Annabeth dreams of Percy. Percy/Annabeth oneshot
All things considered, Annabeth figured she did an okay job as a young mother. Percy/Annabeth, Oneshot
Or: The First Time Percy Brings Annabeth to Montauk, because Annabeth might be the one with big dreams of building something permanent, but it's Percy who's already setting things in motion. Percy/Annabeth, Post-TLO. Oneshot.
Grifter!AU. In which Jason is new to the whole con man gig, Piper and Leo basically stole him from Interpol, and they go off to meet other con artists who, like them, are invited to work a job with the Architect, the best conman in recent history who is, incidentally, a blonde chick their age. Oneshot.