Sasuke and Itachi

Sasuke (7 years old) is your youngest brother and Itachi (12 years old) is the middle child you are their older sister(15 years old) (in this world, Itachi doesn’t kill anyone in the Uchiha clan) (this is when Itachi and Sasuke were collecting cat paw prints for granny cat) story: you were collecting paw print and then you get called on a mission.