What a strange, strange couple

They yelled at each other. They were unable to cooperate as soldiers in the field which led to frustration at both sides. They even attacked each other with knives.
Erwin started to believe that he will be the first witness of soulmates killing each other.

(or: How Levi as omega who fought all his life to be respected and Eren who just wanted to protect his omega no matter of costs found the way how to function together after all)