Demon Slayer

Sorry about the pic and your a girl (sorry boys) and so sorry about the pic and voice anyways you are Kokushibo little sister and Yorrichi older sister so you are the middle child Kokushibo created moon breathing (one of the strongest breathing style) Yorriichi craeted sun breathing (also one of the strongest breathing styles) your name is Nyx and you created Shadow breathing ( your breathing style is the same power with sun and moon breathing) you are just as skilled and powerfull as kokushibo and yourriichi, (just for fun I don't normally do this you have a six pack) and you mastered all the breathing style, you have red hair but in a mix of purple so like kokushibo and yorrichi hair and you also wear hanafuna earrings your hoari is like kokushibo and yorriichi but just dark purplish reddish blue, muzan kinda does fear you and are a half demon but no Hashira know, You respect ubayakashi a lot but you never bow BTW your Katana is black purple and blue and both brother care for you