The first OVA episode of Shingeki no Kyojin (Attack on Titan) is titled . Chronologically, it is often numbered as Episode 3.5 because it takes place before the Trost arc and provides vital context for the mysteries of the Titans. Plot Summary
This was the first time in the series a "mindless" Titan was shown to have the capacity for speech and complex emotion (reverence). Shingeki no Kyojin OVA - Episode 1
During the 49th Exterior Scouting Mission, Hange Zoë is obsessed with capturing a Titan for research, despite Commander Erwin Smith’s refusal due to the high risk. While pursuing a Titan into a forest, the scouts find the decapitated body of a soldier, Ilse Langnar , hidden inside a tree, with her notebook nearby. The first OVA episode of Shingeki no Kyojin