Rhaenyra Pendragon was the sole princess of Camelot. Having now started her sixth year at Hogwarts as the newly appointed head girl, she was ready to embrace her duties and help guide Slytherin into a new era. But a certain Gryffindor kept getting in her way. It was no secret that Rhaenyra and Sirius did not get along, so what happens when he starts to realise the truth of the saying "there's a fine line between love and hate." Perhaps they had misjudged each other.