After learning the secrets Grisha left behind in the basement, the fate of humanity has forever changed. With the nine surviving members of the Scouts, they must scramble to start over and prepare for a war against Marley. It's at this time that third squad captain of the Garrison, Rosaria requests to transfer to the Scouts, joining the cause to secure humanity's freedom. She was prepared to risk her life for the cause - but what she wasn't prepared for was to fall for humanity's strongest. As she follows Levi to rebuild the Scouts, the two cannot help but find comfort in one another as they understand each other's pain, hurt and drive to continue the fight of their lost loved ones. Levi x OC / Events take place after Season 3