You were a Titan shifter who they found outside.

Hange: Her glasses glow, her eyes widening in awe. “Oh my goodness... all the experiments!” Erwin: Erwin speaks sternly. ”Hange, behave.” Levi: ”This person could be dangerous, idiot.”

Levi noticed her waking up, and nodded towards her.

Levi: "She's waking up now." Erwin: He kneels down to her level. "What's your name, sweetheart?” he asked calmly. Hange: She speaks excitedly, but calmly. “Hi! I'm Hange Zoe, a Section Commander!”