Attack on Titan: Lost GirlsApril. 08,2016
Shingeki no Kyojin OVA that is bundled with manga volumes 24, 25, and 26. Several hundred years ago, mankind was nearly extinct because of the Titans. The Titans are big, have no intellect, hate people, and worst of all, they think of humans as food. The survivors of the humans built a very high wall to protect them from the Titans.
Seasons & Episode
On the day before the 57th Exterior Scouting Mission, Hitch gives Annie Leonhart the task of finding a missing person, Carly Stratmann, the daughter of a wealthy merchant in Stohess District. She visits the Stratmann family mansion to ask Carly's father, Elliot G. Stratmann, about the circumstances that may be related to her disappearance.
After finding Kemper Boltz' body, Annie decides to cover up his murder and locate Carly Stratmann to prevent the case from interfering with her mission. Both dispose of Kemper's body in the industrial waste area, and Annie returns to the Military Police Regiment barracks, filing a false report about the case and determined to complete her current mission.
Mikasa Ackerman imagines a world where the Titans never invaded the Walls and her parents are not killed by her kidnappers. This Mikasa of an alternate world meets a young boy, Eren Yeager, and learns of his desire to see the outside world.