My Corporal, My Captain

(y/n) is a young girl, for certain reasons she's driven to join the Survey Corps. Her recurring nightmares grow more vivid each night, going back one year each time.. She has her father to blame for these nightmares. In one of the nightmare scenarios, a cloaked man shows up and saves her, He was from the Survey Corps. She joins the 104th trainees squad and sees the same steel gray/blue eyes that she saw in her nightmare, at Commander Erwin's side. Turns out the man was none other than Corporal Levi Ackerman. What happens when (y/n) develops a crush on a certain someone? What happens when a forgotten threat awakens? Read to find out!