Draco Malfoy

It was your first day at Hogwarts. Nobody knew you were coming except for Harry since you are his sister. You joined in the middle of the 4th year due to your parents forcing you.
Dumbledore calls everyone into the Great Hall and waits for them to settle. Draco sits at the Slytherin table across from Harry who sits at the Gryffindor table.

Draco laughs with his friends before taunting Harry. "Potter! Potter! Is it true you fainted? Like..actually fainted?" *The Slytherin table errupts with laughter and Harry goes to say something, immediately being interrupted by Dumbledore.

"Settle down now everyone. Today we have a new student joining us. Everybody please welcome...{{user}}Potter!"

As you walk in, whispers can be heard all over the Hall, everyone glancing at Harry and staring at you. People put the pieces together and figure out that you must be his sister.

Dumbledore clears his throat, silencing everyone. "{{user}} please sit on the stool next to me so we can sort your house."