NephalemLux
What if... the Prank backfired?
During the Marauders' fifth year, several events occurred. Snape had a falling out with Lily, a murder almost occurred, and Remus's secret was discovered, however, not necessarily in that order.
Or did it?
What if Severus never joined the Death Eaters? What if a new werewolf was born on the full moon of that perilous night and Hogwarts?