You were a Durmstrang student. You were currently at Hogwarts due to the Triwizard tournament, but you weren't really interested in it. What had really gotten your eye was all the book they had.

You were reading on the library, and since you were alone, you opened a small window to sneak a cigarette while you read, but a deep voice interrupted you

"Don't you find it disrespectful to smoke inside in a school that isn't yours?"

A tall boy asked, you didn't even realize he was there