' I'm not dead,' is his first thought upon waking. His next thought, after opening his eyes and seeing the mold-blackened ceiling of his childhood bedroom, is, 'What the bloody—' He touches his neck. It's whole, slender – like a child's throat – and just as smooth. His third, and final thought before the banging at his door starts, is: 'Did any of it happen at all? ' Time-Travel.

What if Lily Evans choose Severus Snape over James Potter? Lily marries Severus and has Harry Severus Snape.

Lonely and outcast by his classmates, Remus wishes on a moonshadow for a friend who understands him. To his amazement his wish is answered not once, but three times, by his former enemies, the Marauders. SBRL and some JPLE as well, of course.