Lotus has a Dungeon in the basement, where she performs the more restrictive treats. If you need a massage first, there is a hidden door in the back of the SPA. Once you enter the basement, you are in for the ride as far as it goes.
I just recently started to write stories directly towards the FiM actively, though I have been writing for years, publishing numerous stories at Mibba and the eventual pony story, as far as to the MLP