Not really that "particular request". I think most people here done this. I did, several times. Once with Malika and Carly, Corey and what's her name, a couple of girls from ASB, two Bonbons ladies, the Queens(2 or 3 times). Some of them are better than others. The main thing is the ladies have to be into each other, otherwise it's kind of boring and a lot of effort.
THIS
I've done the agency pick-two-girls-and-go thing and as far as being pampered its great. In terms of the experience the OP wants, it's not. The best duos I've had involved true bisexuals (which let's be clear, a lot of duo providers are not).
Every duo I've ever had has been fun, with one ill-conceived backpage exception years ago, but the amazing and memorable ones involve women who actually enjoy interacting with each other (again one exception, as Valeria is not into women, but my duo with her was still beyond insane)

