"Saitama delivery health (delivery-based escort service) and college girls" — some people hear that and instantly get it, and some don't.
At 42 I'm still out there walking this world's front lines, 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 disorganized. Beginners especially tend to end up not even knowing where to start looking.
What this actually means
In a word: whether you know it or not changes the quality of the experience.
I'm writing down the essence of the knowledge I've built up over 20 years right here.
In closing
If you've got questions about this topic, drop a comment or hit me on social. And check out First Class Ruby while you're at it.