Ereri

Ereri is a slash ship between Eren Yeager and Levi Ackerman from the Attack on Titan series.

Fanon
Some fans of Eren Yeager and Levi Ackerman feel like the two would be a beautiful couple, that they would develop a romantic/sexual relationship overtime. The facts that Levi and Eren forgive each other for what they have done to each other, such as the court beating (Eren doesn't hate him for it and forgives him).