This set is called "Love & Grace" dating back from 2005 by Goncharov. Featuring Ira C and Vika C.
I don't know who-is-who.
A.f.a. I could check for none of the girls there's a thread with us. Acc. to MET index they both appeared only 1 time. But on other hand the present naming-system of MET is a mess.
At least you've got some clues for further search....