Ed, Al and Winry used to have a best friend named Erika, but one day she completely disappeared. Ed had to find her. Years past them and so much had happened, that's when he met her again. But he thought she was hiding something from him... She had a secret she was too scared to reveal... EdxOC, WinryxOC, AlxMei, Royx...
Humankind cannot again anything without first giving something in return; to obtain, something of equal value has be lost. That is alchemy's first law of Equivalent Exchange. Back then, Dad drilled it into our brains. The one thing he drilled in deeper was that human transmutation was forbidden no matter how desperate...
When Mustang told Ed and Al to go to an orphanage to pick up a young girl with incredible alchemic powers, they didnt realise just how important in their lives she was going to be.