[ ...she hums, the sound mostly thoughtful, but also deeply amused ]

Very, and not at all.

...It might make more sense to say that as far as we've been able to tell, the only real difference between our lives was that Kagamine-nii got brought here, and Lilith and I went someplace else a little later. Or— rather, Lilith got forced to go someplace else, but when the same thing happened to me I got angry enough about it to dig in my heels and stay put.

[ okay, so she's not giving up entirely on being cagey. ]