Once upon a time there was girl. But nooooo, she was not any girl. She was the most loveliest, adorable, and beautiful girl in the world, and her name was Koizumi Michiyo. She was taller than Ed, stronger than Ed, and beat Armstrong in an arm wrestling contest in less than 10 seconds.
Her mother died when she was 2, and her father was left alone to look after her. He taught Koizumi alchemy, as he was an alchemist himself, and by the age of 3 she was better than him. But 5 days before her 4th birthday, her father died. She attempted a human transmutation, but lost both her arms, her leg, and almost her head until the laws saw how beautiful she was, so they spared her. She joined the military as a state alchemist at the age of 5, because of her strong beauty. Her goal now is to bring back her parents, get back her limbs, and defeat the homunculi.
Her title is the chicken alchemist, as she had a gift when she was born to turn people into chickens and eat them. She met Ed and Al at the military, and automatically knew who they were even though she had never caught a glimpse of either of them before, due to her smartness. By the time she was 6, she was faster, stronger, and could read much faster than Ed could. When she was 12, she, like stated before, beat Armstrong in an arm wrestling contest. By the time they were done, Armstrong was sweating and panting, while Koizumi had not felt anything. Also, since she thought Armstrong was a wimp, she turned him into a chicken.
When she turned 14, Ed asked if she would like to join him on his and Al's journey. Koizumi agreed, and together Ed, Al, and Koizumi visited Winry. In just a few hours' time, she was able to make better automail that Winry, and made Ed automail that would never break, no matter what. In the final battle against Father, right when Ed was about to kill him, Koizumi stepped into the way, and turned Father into a chicken. Later, at the big celebration feast(Guess who they were eating?), Ed told Koizumi that he loves her in front of Winry. Winry started crying, so Koizumi turned her into a chicken. 5 years later, when Ed, Al, and Koizumi were celebrating Ed's 24th birthday, Koizumi asked Ed to marry him. Ed said yes. Unfortunately, Koizumi died in a nuclear explosion, followed by 2 trains crashing in the same spot, while a building fell down on her. Ed, crushed by this tragedy told Al to kill him. This left Al with 5 children: Ed J.R, Ed J.R, Ed J.R, Ed J.R, and Ed J.R.