The Way it Should've Been, Back, Fixing the Past

Hermione comes back from taking Rose & Hugo to the platform for the new school year to see Ron cheating on her with Lavender and finds out he never was Harry's and Hermione's friend and she asks my OC Santiago and Harry to cast a spell on him that will send Harry's, my OC's and Hermione's consciousness back in time to save as many people as they can while hiding the future. Beta'ed