What if Remus Lupin had a sister? What if she was a werewolf too? Would she be a Marauder? Would any of the Marauders fall in love with her? Well, get ready to find out, meet Romula Jean Lupin, twin to Remus John Lupin, a fellow werewolf, and a fellow Marauder. *All characters and settings belong to J.K. Rowling, excepting, Romula Jean Lupin.*