"Kawaguchi jobs for men, support roles" — some people hear that phrase and immediately get it, and some don't.
I'm 42 and still out on the ground in this world, 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 in particular often don't even know where to start looking.
What this actually means
In a word: "whether you know it or not changes the quality of the experience."
The essence of the knowledge I've built up over 20 years is written right here.
Final word
If you have questions about this topic, hit me in the comments or on social. And check out First Class Ruby while you're at it.