The struggles of the favorite child

this is a story about the struggles of Adhara Emilia Black
twin sister of Regulus Black.The favorite and golden child of the house of black,considered the honor and pride of the house of black.But hated by her brother Sirius Black

"why do you hate me to bits sirius? i didn't even do anything to you!"
"oh go to h*ll, you're just like them, you're no different to your twin no'r our parents"
"why?? is it because I'm considered the favorite and golden child of them??or is it because you thought i always got what i wanted as a kid"
"No,I hate you because you turned into one of them.you always had it easy,mum and dad loves you"
"oh if you just know sirius,if you just know....."