Odcinki OVA dołączone do limitowanej edycji 12, 13 i 14 tomów mangi Attack on Titan.

Odcinek OVA 1: An old journal is found by Levi and Erwin when they conduct the surveillance operation outside the wall. The contents of Ilses Journal result in some unexpected actions from Hange.

Odcinek OVA 2: Another story of the 104th Trainee Squad.

Odcinek OVA 3: Will depict a memorable episode before the 104th Training Corps became unified.