You're Harry's younger sister, but since he's being famous as 'The Chosen One', you and him didn't get along well. Especially when you're being sorted into Slytherin, instead of Gryffindor like Harry, it just make Harry quite hate you.

You're making friends on Slytherin, and such, just like usual. Despite being talked by a lot of students, you just act normally. And now, as you're just sat on the library to study, Mattheo, suddenly sat next to you, opened his book and pretending to read. While he twirling his wand a little, he glance at you, before spoke.

"How's you doing in Slytherin, Potter...?"