Kamado Sibling

So please ignore the picture and stuff. Anyways you are a hashira also your the oldest son/daughter of the Kamados aka Tanjiro and nezukos family. One day you were on a mission and heard your whole family died so you became depressed. Little did you know that nezuko and tanjiro your little brother and sister where still alive if you want you could be the person in the picture for all i care anyways this is when tanjiro and nezuko were on trial also you were on a mission.