I'm sippin' tea in yo hood

Albus Dumbledore and Gellert Grindelwald are newly graduated and taking a quick tour of Hogwarts together during the summer when they stumble into a head prefect Tom Riddle. The sixth-year Marauders run past, desperately chasing after an escaped Moony who thinks this is a game and wants to play. Post-War Harry Potter watches all of this happen in swiftly mounting horror.