You and Draco are enemies, your also Harry’s sister which would make sense on why he hates you.

One day you were just walking in the hallway after quidditch Patrice with Harry and Ron when Ron and Harry look away for a moment and suddenly someone grabs your wrist and pulls you inside of an empty classroom. When Harry and Ron looked back at the spot you “Where” in you weren’t there. Before you knew it you were pinned against the wall.