Really? Couldn't tell. [Sarcasm, it's a lovely thing, really it was.]

So you are... [Related, in some fashion. But not in the same context--same universe or world. Different, but so similar...and they both know loss.] Oh...I didn't know, my apologies.

[And as for who she is, the words come out quickly, without hesitation.] No one.

[She doesn't believe herself to be of great importance, but she's trying to wrap her head around that Ben has a not!sibling, and she's talking to them. And thus, she's starting to like this girl better than Ren. If only because no tantrums.]

This, is a bit hard to wrap my head around.