My Freedom is Worth It:Levi X Reader

In a world over run by Humanoids, everyone thinks there is no end to this torment. But one lonely wanderer is spotted just outside the walls. She tells stories of fire water and oceans. She then takes a big interest in a "Kawaii~Desu" Corporal to the point where she will do anything for him. Will senpai finally notice (Y/N)?
After a horrible life as a child laborer in her old village. (Y/N) discovers their first love.