Annie Leonhart. The Female Titan, murderer of dozens of Scouts and civilians alike. From most people of the walls, she is a tier 10 murderer. Not to Eren. Eren has always claimed that she must have had an alterior motive for what she did. There is no way that his training partner from his cadet days was a unhinged sociopathic monster. His friends, Mikasa and Armin as well as the rest of the 104th training corps worry that Eren may have fallen for a monster, but perhaps it is fitting that birds of a feather flock together.