I'm not afraid, put the gun in my hand, I'm just afraid it will hurt like hell

Eren is a spy/assassin that is quickly burning out on the field. When he's assigned a mission to go back home, he 's forced to face the reality of his choices and feelings. He doesn't have all the time in the world to live and learn to have a life besides killing.

But then Eren comes across Levi again, his childhood friend (and crush), and old feelings of being himself return. In the end, there's a decision to be made on whether or not Eren should stay longer