Harry Potter and the Sorceress of the Stars

Ancient Runes— a type of magic that originates from the very stars themselves. And had she not inherited this power, Oleandra Greengrass would have been forced to live out the rest of her life as a Squib. She is the girl that should not have existed; and yet, she does. Throughout her years at Hogwarts, she will discover the truth behind her existence, and learn the skills she needs to protect her loved ones. -Not an AU, except for Oleandra's existence -No system -7 chapters a week