Attack on Titan OAD

That day, Annie Leonhart woke up in the barracks. A perfect awakening during a day off duty. But, her modest feeling of liberation was quickly counteracted by a sigh. Because she remembered the mission that is approaching tomorrow. "Tomorrow's mission, during the 57th outer wall inspection, we will capture Eren Yaeger." This is the story no one knew. About a girl right before her "mission."