Roy Mustang's sister

Meet Reyna Mustang, younger, feistier, more sarcastic (If that's even possible), sister of Roy Mustang who was once upon a time just a little girl who excelled at school and alchemy. Though her brother doesn't know the second; but one night, she is forced to see the truth, and everything changes. Join her on her adventure through the world of FMA as she figures out what happened that night while meeting new friends and enemies.