[For Midii, her parallel situation was...just the opposite.]

I had someone like that once.

She...we came from different times, but grew up with a lot of the same hardships. I even knew her real brother for a little while. Before she went back home...she told me I was like a little sister to her.

[Someone who she hadn't known in the past, but who had also changed. Although, in Eponine's case...perhaps for the better.]