"Tokorozawa refle, guarantees" — some people hear that phrase and know exactly what it means, and some don't.
I'm 42 and still out there working the floor of this world, so I'll lay it out from a real, ground-level view.
Why this topic matters
Information about fuzoku (Japan's licensed adult-entertainment business) is surprisingly disorganized. Beginners especially end up not even knowing where to start looking.
What this actually means
In a word: knowing or not knowing changes the quality of the experience.
What you're reading here is the essence of the knowledge I've built over 20 years.
Last word
If you've got questions on this topic, drop a comment or hit me on social. And give First Class Ruby a look while you're at it.