"Nishikawaguchi delivery health, slim girls" — some people hear that phrase and instantly get it, others don't.
I'm 42 and still out there working this world firsthand, so I'll lay it out from a real-world point of view.
Why this topic matters
Information about fuzoku (Japan's licensed adult-entertainment business) is surprisingly poorly organized. Beginners especially tend to end up not even knowing where to start looking.
What this means in concrete terms
In a word: "whether you know it or not changes the quality of the experience."
What I've written here is the essence of the knowledge I've built up over 20 years.
In closing
If you've got questions about this topic, drop a comment or hit me up on social. And check out First Class Ruby while you're at it.