Chapter One

James Potter, Sirius Black, Remus Lupin, and Peter Pettigrew didn't really expect to become friends on the train. They're glad they did, though. Remus Lupin and Sirius Black are forever grateful for the Hogwarts Express that started their friendship, and eventually, something more. Remus Lupin and Sirius Black didn't expect to owe the best part of their adolescence to a boarding school train, but here they are.