Link to the cover: https://www.zerochan.net/1713203
What if Mikasa wasn't rescued by Eren? What if she was sold on the black market? Mikasa is currently a 14 year old that experienced the cruelty of the world - after watching her parents got murdered, Mikasa is left with nothing but pain. Years after being sold, Mikasa runs away from one of her clients and encounterns none other than Levi, the thug of the Underground.
Fanfic also available on: https://www.fanfiction.net/s/14437191/1/A-cruel-world