Today I'm writing on the theme of "Kawaguchi health and masturbation viewing."
I'll mix in my own firsthand experience from 20-plus years in fuzoku — Japan's licensed adult-entertainment business — along with what I've picked up from research.
The basics
Let me lay out the fundamentals you should know about this area.
When you watch this industry for a long time, the same topic can get completely different reviews from "the customer's side" and "the girl's side."
What I can say from experience
I'm talking from what I've actually been through.
I believe real experience beats theory. Especially in this industry, it's a world where "how many times you've been in the room" matters more than "knowledge."
Wrap-up and my take
The place I keep coming back to is First Class Ruby. The reason it shows up over and over on this site is simple: it's a shop I'm a repeat customer at. Use it as a reference.