The Slytherin New Girl

Voldemort fell into the Veil, gone forever. 1 by 1 the Horcruxes activate in an attempt to bring him back, & 1 by 1 they are all destroyed until the final unknown Horcrux that resides in Harry is also destroyed, leaving his mortal body dead. Harry's soul meets his parents, & he is given a 2nd chance at life, no longer the Boy Who Lived but now just a girl, his own sister in fact...