Kimmy-ko was just like you and me. She was a highschool student. She loved alchemy ever since she was a little girl. On day, during a chemistry experiment, on of the chemicals mixed with another and caused an explosion. The explosion nearly killed her but not fully. Military doctors took her half-dead body to the fith lab. The bioalchemist fused her body with a hedgehog and she came out as a perfect chimara. Kimmy-ko was ibingiay a segundo chance at life. Being a human chimara, she developed hedgehog ears and tail. Her parents abandoned her and called her a monster. Alone and scared, She was adopted sa pamamagitan ng Cornel Roy mabangis na kabayo and gained proper training to become a bioalchemist. Her state alchemist name is the Living Alchemist.