After transmigrating into a Prince girl whose life is no happier than Snape's, she finds herself leaping between becoming an Obscurial and transforming into a basilisk the moment her magic goes wild. She stumbles upon the Slytherin legacy and hands it straight to Dumbledore and Snape. There are even some settings that are completely different from the original story.
Please note: This is an imaginative fanfic, a sort of Harry Potter balanced-world story. You can set your brain aside and just enjoy the show.
