Poly marauders Y/N was only supposed to be the new roommate with the spare bedroom. But months of shared meals, movie nights, and late-night conversations slowly turn the Marauders’ apartment into something more. As James, Sirius, and Remus grow closer to her, their friendship begins to blur into feelings none of them expected—and Y/N has to figure out if she sees them as just her best friends… or something more.