Severus Snape lived a solitary life until Lily Evans became a part of it. This Slytherin would-be Death Eater slowly comes to accept that he's fallen in love with a Mudblood...but there are other complications. Snape/Lily
Sirius was Rose's best friend; he always had been and always would be...so why didn't that seem like enough anymore? Marauder Era. Sirius/OC and a little James/Lilly