"College girls, Omiya, AV actresses" — some people hear those words and know exactly what's up, and some don't.
I'm 42 and still out there working the scene, so I'll lay this out from a real, on-the-ground point of view.
Why this topic matters
Information about fuzoku (Japan's licensed adult-entertainment business) is surprisingly poorly organized. Beginners especially end up not even knowing where to start looking.
What this actually means
In a word: whether you know it or not completely changes the quality of the experience.
What I've written here is the essence of the knowledge I've built up over 20 years.
Last word
If you've got questions about this topic, drop a comment or hit me on social. And go check out First Class Ruby while you're at it.