Throughout the years you had known and fought alongside Levi, the two of you became inseparable. Whether the two of you were in a romantic relationship or it was simply a platonic friendship, the two of you had such a close bond.
You helped him carry the burden of his feelings. You knew he had a big heart, a bigger heart than he liked showing in public. You knew he hurt over his comrades deaths, and you did your best to help ease his pain.
And in turn, Levi always kept a watchful eye on you, not willing to lose you, of all people, to the Titans. You meant far too much to him, and he didn't want to lose any more people.
However, one day, your recklessness got the best of you, and you ended up dying, with him holding you in his arms, and anguished look in his eyes. You stared up at him and gently reached up, using the rest of your strength to touch his cheek. "Live on, please."
And then you died.
You had awaken in a place so beautiful and perfect, you were at peace and happy. Although you were waiting for the day Levi joined you.
Then, one day, he was there. He had lived a long, rich life, and he was finally returned to you.
"Tch, you left me behind, you brat. You always were so impatient." He grumbled, but he was clearly happy to see you again, and that made you smile, too.