Ariana Bianca Potter
Ariana Potter is James Potter's twin sister. Although nobody really knows. Ariana had always been one of a kind, and when she started taking on "adventures" from the years of seven, her parents decided she might needed to learn some manners. So when Ariana turns eleven, she didn't got a letter from Hogwarts, but a letter from Beaxbatons. But Ariana got different plans for her future...
Although her plans destroys when she meets her brother's best friend, Sirius bloody Black.
The story will be in their fifth year and up. Every character, except Ariana, belongs to our queen J.K. Rowling.