Slytherin's Son of Poseidon - year 1

Harry Potter - J. K. Rowling Percy Jackson and the Olympians - Rick Riordan
F/M
M/M
G
Slytherin's Son of Poseidon - year 1
Characters
Harry Potter, Remus Lupin, Sirius Black, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Fred Weasley, Blaise Zabini, Theodore Nott, Pansy Parkinson, Draco Malfoy & Harry Potter, Percy Jackson, Annabeth Chase (Percy Jackson), Daphne Greengrass
Tags
Friends to Lovers Alternate Universe - Soulmates Internalized Homophobia Slytherin Harry Potter Draco Malfoy & Harry Potter Friendship Good Severus Snape Percy Jackson Goes to Hogwarts
Summary
Not everyone is born with a soulmate. But Harry Potter was.So when a pale boy speaks to him in Madam Malkin's, and a burning sensation flares at his neck, he is caught off guard.And what, exactly, is a demigod?

Chapters