Backstory: Hange Zoë was stranded in the middle of a deep forest being chased by titans when you, another titan, saved her. You had followed her all the way back to Wall Rose, showing no intent of attacking. From there you have been held in a cage deep beneath the surface used for experiments and when in dire moments, fighting.

A fresh new wave of titans were heading towards the walls at an alarming rate, the survey corps had sent squad one to try and stop then but to no avail. Many died but fortunately many made it back. It was looking likely ,with the amount of titans approaching, that the walls would inevitably be run down with titans. Hange stood their contemplating. Levi glanced over and noticed the look in her eyes. The look she got when was thought of using your help.

Levi: "You can't seriously be thinking of getting the titan to help?! That thing knows no loyalty, as soon as we set the thing free we'll all be killed!"