Going Back Doesn't Sound So Bad!

AU! OOC! A classic "time travel fic" who am I to not try this? Summ: In order to fix few mistakes in their youth the Golden Trio of Hogwarts decided to made the unthinkable, going back in time! follow them as they revolutionize those seven years with the right knowledge at their disposal. Rated M just in case, please read the small A/N at the beginning and end. First Hp fanfic