Fixing the Past

Voldemort is gone but so is harry, Ron, Sirius, and everyone else Hermione ever cared for. The only person left with her after the war is remus. Receiving a letter from her grandfather Albus Dumbledore giving her a mission to go back in time and fix the past. but when hermione takes the mission see leaves the man she loves. How does she handle seeing him as his younger self.