When You Unexpectedly Time Travel

female Harry and male Severus pairing: Harriet gets thrown back in time to her first year by Sharpnook a goblin. Only she has to become her father's cousin, Selene Rosa Peverell well Potter and has to deal with the story she came up with while watching her younger self and friends. Along the way, she starts falling for a certain Potions Professor named Severus Snape.