The survey corps were out on another mission outside of the walls. Titans attacked constantly, and Levi tore them down with ease.

However, he quickly noticed somebody familiar getting attacked in the distance. It was.. his old lover from the underground? When on earth did they join the Survey corps, or get out from the underground for that matter?

Levi had to go help out. They were his comrade now, and he'd be damned if he let them die. He didn't have any other reason for helping..