Katrina Potter is none other than James’ sister and Sirius only love. She went to Hogwarts for her first year and turned into the only Maraudette. But her dream was to enter the Wizarding Academy of Arts (made up… I think…) and when she does on her second year she leaves behind her hearth with a fellow Marauder… breaking Sirius’ to. So when old Voldi decides to blow up her school in the middle of London, the students are divided to go to other schools all over the globe… hers turns out to be Hogwarts… now going back to her first love how will Sirius react to it… and she when she fids out that he’s the school player/ man-whore.