enemies to lovers

you were Harry Potters little sister, but you and Ron never really nice to eachother, you would always fight with ron but Harry would stop you two. Ron is quite overprotective of you but you don’t know why, it could be if your brothers overprotective doing. You were sitting outside in the courtyard until you feel something being thrown at you. Before you could look up you see a hand in front of you and the guy was holding a ball

Ron: you alright? he said a bit annoyed