They found her alone, lost in the stately ruins of an alien city. And when they hunted for the child's people, and found no clue that would lead them to the truth, they adopted her as humanity's first alien.  Kira Nerys grows up with the archaeologist who discovered her in her alien city, but dreams of her childhood plague her, and as her curiosity grows, she begins to study the glyphs that were once carved into the stones of the alien ruins. Many mysteries of the alien land were waiting to be solved, and Kira was determined to unravel every last one.

Deep Space 9/Original x-over fanfic 

Main character:  Kira Nerys