Saw Yui Komine in Japan a while back. Most escorting there doesn't allow for FS, although sometimes you can get it if you ask nicely/repeat/tip well. I wasn't confident enough in my Japanese to go for it. It was a fun session with a long BBBJ with CIM finish. She seemed like a super-sweet girl willing to do kinky stuff. Japan is quite a bit more open to foreigners these days, especially with some Japanese skill, and there's a lot of girls that were in a handful of videos to increase business or their rates providing. Those rates are still pretty low...Yui was something like $400 for 90 minutes, and the other great thing is JP porn stars are considered over the hill by the time they hit their early/mid 20s, so if they are providing post-retirement, they are still usually in really good shape.
I haven't seen any US porn stars but I've asked around. Generally hitting them up on their IG/Twitter, or often they'll have an email address in their profile. I've had fairly decent success just asking with their rates are for meeting privately. Cindy Starfall even said BB was on the menu if I got tested at her chosen lab. There's only certain girls I'd be willing to spend > $1K on, and most of those girls don't provide currently (Vina Sky is #1 on that list).