Orihime Inoue of Bleach is mysteriously teleported into the world of Fullmetal Alchemist. There she meets Edward and Alphonse Elric, two young teenage boys looking for the Philosopher's Stone to regain what they have once lost. Orihime is tossed into another adventure of joy, romance, and heartbreak. As she begins traveling with the boys learning about alchemy and the structure of their world, more and more supernatural phenomenon begin to occur. It is up to her to protect the two oblivious boys from the dangers they can not see. But how long could she keep it up? How long could Orihime keep Ed and Al in the dark?
Read it here.
Now has it's own omake series called The Flower Princess and the Alchemist: Omake Series. Read it here.