Where Can I Publish My Harry Potter Fanfiction OC Stories Online?

OC-centric fics build a new character who interacts with the established world, which changes the entire narrative pressure. Stories about Luna's cousin arriving at Hogwarts in fifth year, for example, force the writer to justify why this person matters and how they fit without overshadowing Harry. That justification often means deeper worldbuilding in the background—how the Ministry functions for a half-blood from France, or what the daily grind is like for a Hufflepuff not involved in the plot. The emotional core shifts from reconciling with canon events to surviving them as an outsider, which can feel more isolating or, weirdly, more relatable if you've ever felt like the new kid. Canon character tales, especially the Marauders-era stuff, have a different anchor. Everyone already knows how it ends, so tension comes from the journey and character voice. A Sirius Black fic doesn't need to explain who he is, but it absolutely has to nail his specific brand of arrogant loyalty or it falls apart. The appeal is in the embellishment and the deep-cut references, the 'what if' within the boundaries we already accept. OCs don't have that safety net, so they either soar on original ideas or flop from being too generic. I've dropped more OC fics than I've finished, but the ones that stick make the universe feel enormous in a way the original books never had time for.