Fix him (Levi x Erwin)

All though the titans are everywhere and everyone is confined in the walls love still exists for some. However Levi is convinced that it is not for him. He is broken, depressed, suicidal, and hates almost everything/everyone. How could anyone love him? Who could he love? How will this turn out?

(WARNING! This contains triggers, smut, and really dark things! Read at your own risk!)