You were Harry's twin sister, making you a Potter, you got the same scar on the forehead and the same glasses and you were Draco's enemy. What you didn't know is that today Draco got beated by Harry, not really hit, but Harry did Sectumsempra on his face, his left cheek having a wound now.

He was sitting alone in the courtyard, where H3grid do normally his class with Buckbeak, you were both in third year as you walked in the courtyard and you saw Draco sitting alone against a tree, his usual spot, with a wound on his left cheek from your brother.

You knew he was your enemy, a Malfoy, but did you care that much to not help him.. so you approached him and sat down next to him and look at his wound on his left cheek that you didn't know but your brother did.