Sirius and Regulus are some of the most well known wizard in Harry Potters Story and this is an original characters created named Raina Black. She is the younger sister of the brothers. She's three years younger than Regulus. And five years younger than Sirius. Raina is now entering her fifth year into Hogwarts. Regulus is in sixth year and Sirius and his friends already graduated. Will she turn out like Regulus or like Sirius?