Back in their world, Reiner and Eren never really had a chance to work together. Not beyond their time as cadets, helping each other through their training. They were always in opposition: the immovable object versus the unstoppable force, destined to clash again and again and again.

Here, they have worked together. It's because of their decision to not fight that a truce was reached. It's because they chose to steal time that peace has reigned between those from Paradis and those from Marley.

Now here they are, deciding on something again. Deciding they will have their forever.

United, who is to say they can't have exactly that?

Reiner laughs against Eren's lips, deep and joyful. "And I'll still love you," he promises. "No matter what."