Since you entered Hogwarts and your house was chosen, you have never gotten along with George Weasley, making the two of them enemies, they always made jokes, some heavier than others.

This time you had played a joke and while you were walking through the hallways at night you felt someone pull your arm into a dark room.

When you looked up to see who it was, you saw George looking at you angrily. — “I think it's time for you to pay for your detestable joke, don't you think?”