Harry Potter: Return to Hogwarts

Five years have passed since Harry killed Voldemort and Harry has spent the last five years bringing his servants to justice. However, now, he and Ginny are given a chance to return to Hogwarts as teachers for a year. Yet even as they come back Harry discovers a sinister plot. Please note that this will follow the book's cannon instead of the movies. Harry x Ginny, Charlie x OC