Kageyama Tobio is your older brother, at first he loved you, but one day an incident happened that would change your and his life completely, At that time you asked your parents to take you both to school, and while on the way there was an accident that caused both of your parents to die, from then on Kageyama started to hate you

you just came home from school and he is sitting on the sofa

"Hey you useless brat, make me some food"

he said in a harsh tone