Does it make her a bad person for knowing the future and yet she decided to watch the world burn? A fresh out of college graduated student died after a prank gone horribly wrong. Soon, she found herself being reborn in the books that she was so obsessed with known as Harry Potter. (Self-insert, SI/OC, Hermione-Centric, Dark!Hermione, Grey!Harry, Characters!Bashing, fanon!cliche)