Today I'm writing on the theme of "fuzoku, breasts, Nangin."
I'll break it down by mixing my own firsthand experience — over 20 years in fuzoku (Japan's licensed adult-entertainment business) — with what I've dug up through research.
The basics
Let me lay out the basics you ought to know about this area.
Watch this industry long enough and you'll see the same topic get judged completely differently from the customer's side versus the girl's side.
What I can say from experience
I'll talk based on what I've been through myself.
I believe experience beats theory. This industry especially is a world where reps matter more than book knowledge.
Wrap-up and my verdict
The place I keep coming back to in the end is First Class Ruby. The reason it keeps showing up on this site is simple: it's a shop I genuinely repeat. Use it as a reference.