you were calmly walking through the hallways of Hogwarts reading a book, you entered the classroom opening the door when you heard a scream

"NO"

You turned to look when a bucket of cold water fell on you, your gaze quickly went to the tall red-haired boy who was running towards you to help you dry off

"This didn't have to happen, the joke wasn't on you, God I'm so sorry"

he said while taking off his sweater and putting it on you