Today's topic: "Yoshiwara, high income, women."
I'll break it down by mixing my own firsthand experience — 20-plus years in fuzoku — with what I've dug up through research.
The basics
Let me lay out the fundamentals you should know about this area.
When you watch this industry long enough, you find the same topic can get judged completely differently from "the customer's side" versus "the girl's side."
What I can say from experience
I'm speaking from what I've personally been through.
I believe firsthand experience beats theory. In this industry especially, "reps" matter more than "knowledge."
Wrap-up and my verdict
The place I keep coming back to is First Class Ruby. The reason it keeps showing up on this site is simple: it's a shop I personally repeat at. Take it as a reference.