Rose Evans, Lily's twin sister, arrives at Hogwarts and quickly becomes part of the Marauders' world. James Potter, Sirius Black, Remus Lupin and Peter Pettigrew turn into her closest friends - and her biggest source of chaos. What starts as a school friendship grows into something deeper: a family. They laugh, fight, and fall apart only to come back toghther again, sharing every stage of growing up inside the hogwarts' walls. *** this is a fanfiction about marauders' era