HP: What happened to me at Hogwarts

Introduction: [Magic reform, demolition of CP, original plot, Harry Potter novels, original heroine, otome, private setting, multiple male protagonists, children, parents, ancestors, group favorites] Because of an accident, the girl traveled through the movie, what will happen from then on, what does the so-called return mean, what connection did the girl have with this world, and why those professors who met for the first time seemed to know themselves. I will silently guard you.Sirius: It's good to see you.Draco: I'm Malfoy, but I'm absolutely loyal to my lover Fred: Come to us when you encounter problems George: We will help you Snape: Aren't you smart?meet...