JK has said she always intended to give Hermione a little sister but never wrote her in. Hermione is technically older than most kids in her year due to her birthday. This came about in roughshod fashion just to let the ideas out. I may continue. Or where Hermione's sister is a Slytherin and it changes nothing.

In the future a new Dark Lord rises. Melpomene is a Squib with Talent's, which they have learned 200 years in the future is a way squibs have very specific if often useless magic. She becomes a tool by the portrait of Albus to be sent back in time, and now her use fulfilled must adapt to a world that sees her as Less Than with no direction. Freedom can be scary when it's new.

Harry makes a wish that changed everything. Now he has a life far from England with a mother who is a Trickster Spirit, his aunt is the Black Widow, and he is about to start Hogwarts. Wait, he has a spoiled BWL twin and his parents are alive all along? Oh this means war! Not Slash, WBWL, Neutral Harry. Blaise friendship. AU, creatures and crazy mothers beware! Nanowrimo entry WIP.

Somewhere in the ancestry of every muggleborn is magical blood. What if Lily had sought out her ancestry to protect her unborn child, of whom there was more then one prophecy that would spell either the death of babe, or his parents? Lily makes a choice and Harry grows up with a few differences..his own hell hound, an affinity with the shadows but not evil. Grey/Ravenclaw Harry

What if Harry was adopted with the blessing of his Aunt? How would being cared for and with a guardian who wasn't quite magical, but accepted it, change him? What if he was not guided along being the sacrificial lamb but tempted by the darkness? How would Harry change if there was one person always there for him, and how would it change the world of Magic? Pairing undecided