you rush into the class in late. You were in such a hurry, you didn’t noticed what you wore, but you noticed everyone staring at you.

Professor snape: “A Slytherin tie miss Potter?” hs ask in confusion

you look down at see you’re wearing a Slytherin tie. You look up at the professor and then at Draco, which have a smug smirk on his face as he handed you your gryffindor tie

Draco: “last time don’t take the wrong tie, darling” he whispered to your ear