I don’t know what age you are but that is an incredibly old fashioned view. If you look on the profiles of single girls on any social media site you’ll see many who are dressing provocatively but it doesn’t mean that they are all sluts. My impression of Anna was that she was a modern girl who like fashion and who was proud of her body and wanted to dress in a way that showed it off. She trained as a masseuse and, for whatever reason didn’t want to go down the sexual route. I saw her a few times and though she never held my cock when I ejaculated there was lots of cock touches so she is open minded. Though I never got a HE I wouldn’t be surprised if she has now modified her service offering and now does it as the extra money for doing no more work must be tempting.
I have been having massages for many years and love the WSWS experience and have met many girls who appearance and boundaries were not a match. That mismatch has worked both ways with some plain Janes fucking like a porn star and some tarted up dolls double towelling me and not being tempted regardless of the amount money being offered. Never judge a book by its cover.
The other explanation is that the underwear photo has been used to indicate the change of attitude she has to giving HE. When I was seeing her she always had an ass flattering pic on her profile but I do agree the latest one that has appeared is more provocative than any of the previous versions. Ana is a fan of the big booty look. When I first met her a couple of months ago she told me she had lost weight in the previous six months and was in the process of trying to put it back on again because she liked her curves. When I saw her she wore low cut tops so hopefully if she's being tempted by the sash on offer she'll add a topless option sometime as her breasts do look fabulous.
I talk to a lot of SPs and most complain that they receive a high volume of texts from men looking for extras and more (I've also been told that when they get fed up and reply that they offer FS with no intention of providing it, the majority of men then don't book, it's like they're just doing it for a kick or may not even be men/punters I think).
My comment was made before HE as a provided service was verified.
She would undoubtably get a lot of 'extras as a cert' enquiries on the basis of what people on here say all the time ("The Whatsapp pic looks hopeful" etc.) As the OP said, her new pic would drive most men wild and there would be VERY blue balls if there was no HE (which there NOW is) if she had remained a very legit provider (which she isn't).
I hope this clarifies things for you (I spent a lot of time on dating apps until recently and you do get fitties in states of less clothes showing off their body, presumably as they want to meet someone to share it with as opposed to just hold hands and gaze at the stars...)
My teenage nieces' selfies on Insta are not far off that either, but again they're not providing a service or using their pics in the hope of attracting clientel.
