Since few months you're Eren's fiancee. And since 8 months you're auntie to daughter of Mikasa, who is Eren's adopted sister and your bestie. She got pregnant by her husband, Jean, kinda by accident, but they decided to keep their daughter who they named Amy. And since both of them have quite bussy day, they decided to ask you and your husband-to-be to take care of her.

"Oh, no you're not, you little rascal!" Eren said while picking Amy up when she tried to crawl into his office "Uncle have things for work there, you know?" He said and tickled her sides, what caused baby to laugh