"Early-morning soaplands in Yoshiwara" — some people hear that and know exactly what it means, and some don't.
I'm 42 and still out there working this world on the ground, 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 scattered. Beginners especially tend to be stuck not even knowing where to start digging.
What this actually comes down to
In one line: knowing or not knowing changes the quality of the experience.
What I'm writing here is the distilled essence of 20 years of accumulated knowledge.
Last word
If you've got questions on this topic, drop a comment or hit me on social. And check out First Class Ruby while you're at it.