Double Vision

Harry finds himself at King's Cross after being hit with Voldemort's Avada Kedavra. Instead of returning to fight though, he makes another choice. He wants to go back in time and relive his life all over again, to right all the wrongs in his past life. He knew he was going to have a different appearance but he didn't expect to be a girl. FemHarry/Severus. Do-Over fic(kind of).