Circle of Silken Flowers
Trope-a-Day: School of Seduction
School of Seduction: The Circle of Silken Flowers (see: Platonic Prostitution, Band of Brothels) has its Velvet Academies (which concentrate just as hard on the arts of the salon and many other required topics, of course), and so forth. Rather classier, I suspect, than most of the examples given; after